256886094 has 32 divisors (see below), whose sum is σ = 522457344. Its totient is φ = 84188160.

The previous prime is 256886093. The next prime is 256886111. The reversal of 256886094 is 490688652.

It is a happy number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222222 + ... + 223374.

It is an arithmetic number, because the mean of its divisors is an integer number (16326792).

Almost surely, 2^256886094 is an apocalyptic number.

256886094 is an abundant number, since it is smaller than the sum of its proper divisors (265571250).

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

256886094 is a wasteful number, since it uses less digits than its factorization.

256886094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 256886094 is about 16027.6665176188. Note that the first 3 decimals coincide. The cubic root of 256886094 is about 635.6921743219.

The spelling of 256886094 in words is "two hundred fifty-six million, eight hundred eighty-six thousand, ninety-four".