204864604 has 12 divisors (see below), whose sum is σ = 409729264. Its totient is φ = 87799104.

The previous prime is 204864581. The next prime is 204864623. The reversal of 204864604 is 406468402.

It is a happy number.

204864604 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 204864604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658269 + ... + 3658324.

Almost surely, 2^204864604 is an apocalyptic number.

It is an amenable number.

204864604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204864604 is a wasteful number, since it uses less digits than its factorization.

204864604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316604 (or 7316602 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 204864604 is about 14313.0920488901. The cubic root of 204864604 is about 589.5070132589.

The spelling of 204864604 in words is "two hundred four million, eight hundred sixty-four thousand, six hundred four".