8990904 has 32 divisors (see below), whose sum is σ = 24207120. Its totient is φ = 2766336.

The previous prime is 8990887. The next prime is 8990929. The reversal of 8990904 is 4090998.

It is a Smith number, since the sum of its digits (39) 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 (39).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14097 + ... + 14720.

Almost surely, 2^8990904 is an apocalyptic number.

It is an amenable number.

8990904 is an abundant number, since it is smaller than the sum of its proper divisors (15216216).

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

8990904 is a wasteful number, since it uses less digits than its factorization.

8990904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28839 (or 28835 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 8990904 is about 2998.4836167636. The cubic root of 8990904 is about 207.9382829714.

The spelling of 8990904 in words is "eight million, nine hundred ninety thousand, nine hundred four".