8870256 has 40 divisors (see below), whose sum is σ = 25462160. Its totient is φ = 2956608.

The previous prime is 8870179. The next prime is 8870261. The reversal of 8870256 is 6520788.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8870256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9835 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (636554).

Almost surely, 2^8870256 is an apocalyptic number.

It is an amenable number.

8870256 is an abundant number, since it is smaller than the sum of its proper divisors (16591904).

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

8870256 is a wasteful number, since it uses less digits than its factorization.

8870256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550 (or 20538 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8870256 is about 2978.2975002508. The cubic root of 8870256 is about 207.0039906813.

The spelling of 8870256 in words is "eight million, eight hundred seventy thousand, two hundred fifty-six".