256883706 has 24 divisors (see below), whose sum is σ = 558601524. Its totient is φ = 85317120.

The previous prime is 256883689. The next prime is 256883713. The reversal of 256883706 is 607388652.

256883706 is a `hidden beast` number, since 2 + 568 + 83 + 7 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 182493081 + 74390625 = 13509^2 + 8625^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20775 + ... + 30746.

Almost surely, 2^256883706 is an apocalyptic number.

256883706 is an abundant number, since it is smaller than the sum of its proper divisors (301717818).

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

256883706 is a wasteful number, since it uses less digits than its factorization.

256883706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51806 (or 51803 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 256883706 is about 16027.5920212613. The cubic root of 256883706 is about 635.6902045284.

The spelling of 256883706 in words is "two hundred fifty-six million, eight hundred eighty-three thousand, seven hundred six".