204879004 has 24 divisors (see below), whose sum is σ = 400232448. Its totient is φ = 90960240.

The previous prime is 204878987. The next prime is 204879007. The reversal of 204879004 is 400978402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204879007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52252 + ... + 56035.

It is an arithmetic number, because the mean of its divisors is an integer number (16676352).

Almost surely, 2^204879004 is an apocalyptic number.

It is an amenable number.

204879004 is a deficient number, since it is larger than the sum of its proper divisors (195353444).

204879004 is a wasteful number, since it uses less digits than its factorization.

204879004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108345 (or 108343 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 204879004 is about 14313.5950760108. The cubic root of 204879004 is about 589.5208251488.

The spelling of 204879004 in words is "two hundred four million, eight hundred seventy-nine thousand, four".