| Base | Representation |
|---|---|
| bin | 100000000101… |
| … | …000110010100 |
| 3 | 120211020122200 |
| 4 | 200011012110 |
| 5 | 4123100432 |
| 6 | 500124500 |
| 7 | 131323320 |
| oct | 40050624 |
| 9 | 16736580 |
| 10 | 8409492 |
| 11 | 48241a3 |
| 12 | 2996730 |
| 13 | 1985940 |
| 14 | 118c980 |
| 15 | b11a7c |
| hex | 805194 |
8409492 has 144 divisors (see below), whose sum is σ = 27885312. Its totient is φ = 2073600.
The previous prime is 8409491. The next prime is 8409493. The reversal of 8409492 is 2949048.
It is a happy number.
8409492 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (8409491) and next prime (8409493).
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8409491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55617 + ... + 55767.
It is an arithmetic number, because the mean of its divisors is an integer number (193648).
Almost surely, 28409492 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8409492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13942656).
8409492 is an abundant number, since it is smaller than the sum of its proper divisors (19475820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8409492 is a wasteful number, since it uses less digits than its factorization.
8409492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198 (or 193 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 8409492 is about 2899.9124124704. The cubic root of 8409492 is about 203.3558110658.
The spelling of 8409492 in words is "eight million, four hundred nine thousand, four hundred ninety-two".
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