256882938 has 32 divisors (see below), whose sum is σ = 555532992. Its totient is φ = 78720000.

The previous prime is 256882933. The next prime is 256882943. The reversal of 256882938 is 839288652.

It is an interprime number because it is at equal distance from previous prime (256882933) and next prime (256882943).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (256882933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13018 + ... + 26138.

It is an arithmetic number, because the mean of its divisors is an integer number (17360406).

Almost surely, 2^256882938 is an apocalyptic number.

256882938 is an abundant number, since it is smaller than the sum of its proper divisors (298650054).

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

256882938 is a wasteful number, since it uses less digits than its factorization.

256882938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13390.

The product of its digits is 1658880, while the sum is 51.

The square root of 256882938 is about 16027.5680625602. The cubic root of 256882938 is about 635.6895710244.

The spelling of 256882938 in words is "two hundred fifty-six million, eight hundred eighty-two thousand, nine hundred thirty-eight".