8613904 has 20 divisors (see below), whose sum is σ = 17973676. Its totient is φ = 3975552.

The previous prime is 8613893. The next prime is 8613911. The reversal of 8613904 is 4093168.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 4613904 = 2000^2 + 2148^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20499 + ... + 20914.

Almost surely, 2^8613904 is an apocalyptic number.

It is an amenable number.

8613904 is an abundant number, since it is smaller than the sum of its proper divisors (9359772).

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

8613904 is a wasteful number, since it uses less digits than its factorization.

8613904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41434 (or 41428 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8613904 is about 2934.9453146524. The cubic root of 8613904 is about 204.9903148310.

The spelling of 8613904 in words is "eight million, six hundred thirteen thousand, nine hundred four".