8490904 has 8 divisors (see below), whose sum is σ = 15920460. Its totient is φ = 4245448.

The previous prime is 8490901. The next prime is 8490913. The reversal of 8490904 is 4090948.

8490904 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 8490904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530674 + ... + 530689.

Almost surely, 2^8490904 is an apocalyptic number.

It is an amenable number.

8490904 is a deficient number, since it is larger than the sum of its proper divisors (7429556).

8490904 is a wasteful number, since it uses less digits than its factorization.

8490904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061369 (or 1061365 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8490904 is about 2913.9155787359. The cubic root of 8490904 is about 204.0099315939.

The spelling of 8490904 in words is "eight million, four hundred ninety thousand, nine hundred four".