8146749 has 8 divisors (see below), whose sum is σ = 11697952. Its totient is φ = 5013360.

The previous prime is 8146711. The next prime is 8146751. The reversal of 8146749 is 9476418.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8146749 - 2⁸ = 8146493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 208891 = 8146749 / (8 + 1 + 4 + 6 + 7 + 4 + 9).

It is a Duffinian number.

8146749 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8146949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104407 + ... + 104484.

It is an arithmetic number, because the mean of its divisors is an integer number (1462244).

Almost surely, 2^8146749 is an apocalyptic number.

It is an amenable number.

8146749 is a deficient number, since it is larger than the sum of its proper divisors (3551203).

8146749 is a wasteful number, since it uses less digits than its factorization.

8146749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208907.

The product of its digits is 48384, while the sum is 39.

The square root of 8146749 is about 2854.2510401154. The cubic root of 8146749 is about 201.2155060926.

The spelling of 8146749 in words is "eight million, one hundred forty-six thousand, seven hundred forty-nine".