256886092 has 12 divisors (see below), whose sum is σ = 449789760. Its totient is φ = 128374736.

The previous prime is 256886087. The next prime is 256886093. The reversal of 256886092 is 290688652.

It is not an unprimeable number, because it can be changed into a prime (256886093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8092 + ... + 24067.

It is an arithmetic number, because the mean of its divisors is an integer number (37482480).

Almost surely, 2^256886092 is an apocalyptic number.

It is an amenable number.

256886092 is a deficient number, since it is larger than the sum of its proper divisors (192903668).

256886092 is a wasteful number, since it uses less digits than its factorization.

256886092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34160 (or 34158 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 256886092 is about 16027.6664552267. Note that the first 3 decimals coincide. The cubic root of 256886092 is about 635.6921726721.

The spelling of 256886092 in words is "two hundred fifty-six million, eight hundred eighty-six thousand, ninety-two".