8146398 has 32 divisors (see below), whose sum is σ = 17805312. Its totient is φ = 2469600.

The previous prime is 8146387. The next prime is 8146399. The reversal of 8146398 is 8936418.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8146399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4803 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (556416).

Almost surely, 2^8146398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8146398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8902656).

8146398 is an abundant number, since it is smaller than the sum of its proper divisors (9658914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8146398 is a wasteful number, since it uses less digits than its factorization.

8146398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its digits is 41472, while the sum is 39.

The square root of 8146398 is about 2854.1895522197. The cubic root of 8146398 is about 201.2126162831.

The spelling of 8146398 in words is "eight million, one hundred forty-six thousand, three hundred ninety-eight".