256832379 has 24 divisors (see below), whose sum is σ = 393513120. Its totient is φ = 160858368.

The previous prime is 256832357. The next prime is 256832383. The reversal of 256832379 is 973238652.

256832379 is a `hidden beast` number, since 256 + 8 + 323 + 79 = 666.

It is not a de Polignac number, because 256832379 - 2⁸ = 256832123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256832309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110077 + ... + 112385.

It is an arithmetic number, because the mean of its divisors is an integer number (16396380).

Almost surely, 2^256832379 is an apocalyptic number.

256832379 is a deficient number, since it is larger than the sum of its proper divisors (136680741).

256832379 is a wasteful number, since it uses less digits than its factorization.

256832379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059 (or 3056 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 256832379 is about 16025.9907338049. The cubic root of 256832379 is about 635.6478633916.

The spelling of 256832379 in words is "two hundred fifty-six million, eight hundred thirty-two thousand, three hundred seventy-nine".