256884604 has 12 divisors (see below), whose sum is σ = 450802800. Its totient is φ = 128083808.

The previous prime is 256884601. The next prime is 256884613. The reversal of 256884604 is 406488652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256884601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88009 + ... + 90880.

It is an arithmetic number, because the mean of its divisors is an integer number (37566900).

Almost surely, 2^256884604 is an apocalyptic number.

It is an amenable number.

256884604 is a deficient number, since it is larger than the sum of its proper divisors (193918196).

256884604 is a wasteful number, since it uses less digits than its factorization.

256884604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179252 (or 179250 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 256884604 is about 16027.6200354263. The cubic root of 256884604 is about 635.6909452646.

The spelling of 256884604 in words is "two hundred fifty-six million, eight hundred eighty-four thousand, six hundred four".