256983224 has 32 divisors (see below), whose sum is σ = 487555200. Its totient is φ = 126977760.

The previous prime is 256983197. The next prime is 256983229. The reversal of 256983224 is 422389652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256983229) 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, 396869 + ... + 397515.

It is an arithmetic number, because the mean of its divisors is an integer number (15236100).

Almost surely, 2^256983224 is an apocalyptic number.

It is an amenable number.

256983224 is a deficient number, since it is larger than the sum of its proper divisors (230571976).

256983224 is a wasteful number, since it uses less digits than its factorization.

256983224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1159 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 256983224 is about 16030.6963042782. The cubic root of 256983224 is about 635.7722837581.

The spelling of 256983224 in words is "two hundred fifty-six million, nine hundred eighty-three thousand, two hundred twenty-four".