256838883 has 16 divisors (see below), whose sum is σ = 400920576. Its totient is φ = 143184960.

The previous prime is 256838863. The next prime is 256838891. The reversal of 256838883 is 388838652.

It is not a de Polignac number, because 256838883 - 2²⁴ = 240061667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256838863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148291 + ... + 150012.

It is an arithmetic number, because the mean of its divisors is an integer number (25057536).

Almost surely, 2^256838883 is an apocalyptic number.

256838883 is a deficient number, since it is larger than the sum of its proper divisors (144081693).

256838883 is a wasteful number, since it uses less digits than its factorization.

256838883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298354.

The product of its digits is 2211840, while the sum is 51.

The square root of 256838883 is about 16026.1936528921. The cubic root of 256838883 is about 635.6532290427.

The spelling of 256838883 in words is "two hundred fifty-six million, eight hundred thirty-eight thousand, eight hundred eighty-three".