204434656 has 24 divisors (see below), whose sum is σ = 426157200. Its totient is φ = 96204288.

The previous prime is 204434641. The next prime is 204434683. The reversal of 204434656 is 656434402.

204434656 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 187356 + ... + 188443.

It is an arithmetic number, because the mean of its divisors is an integer number (17756550).

Almost surely, 2^204434656 is an apocalyptic number.

It is an amenable number.

204434656 is an abundant number, since it is smaller than the sum of its proper divisors (221722544).

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

204434656 is a wasteful number, since it uses less digits than its factorization.

204434656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375826 (or 375818 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 204434656 is about 14298.0647641560. The cubic root of 204434656 is about 589.0943262562.

It can be divided in two parts, 2044346 and 56, that added together give a palindrome (2044402).

The spelling of 204434656 in words is "two hundred four million, four hundred thirty-four thousand, six hundred fifty-six".