904856664 has 32 divisors (see below), whose sum is σ = 2269879920. Its totient is φ = 300587136.

The previous prime is 904856663. The next prime is 904856669. The reversal of 904856664 is 466658409.

It is a happy number.

904856664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904856663) 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, 57307 + ... + 71370.

Almost surely, 2^904856664 is an apocalyptic number.

It is an amenable number.

904856664 is an abundant number, since it is smaller than the sum of its proper divisors (1365023256).

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

904856664 is a wasteful number, since it uses less digits than its factorization.

904856664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128979 (or 128975 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 904856664 is about 30080.8354937159. The cubic root of 904856664 is about 967.2229580212. Note that the first 3 decimals are identical.

The spelling of 904856664 in words is "nine hundred four million, eight hundred fifty-six thousand, six hundred sixty-four".