256236604 has 24 divisors (see below), whose sum is σ = 488733840. Its totient is φ = 116836224.

The previous prime is 256236601. The next prime is 256236611. The reversal of 256236604 is 406632652.

It is a self number, because there is not a number n which added to its sum of digits gives 256236604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256236601) 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, 25369 + ... + 34000.

It is an arithmetic number, because the mean of its divisors is an integer number (20363910).

Almost surely, 2^256236604 is an apocalyptic number.

It is an amenable number.

256236604 is a deficient number, since it is larger than the sum of its proper divisors (232497236).

256236604 is a wasteful number, since it uses less digits than its factorization.

256236604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59469 (or 59467 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 256236604 is about 16007.3921673707. The cubic root of 256236604 is about 635.1559779686.

The spelling of 256236604 in words is "two hundred fifty-six million, two hundred thirty-six thousand, six hundred four".