8861256 has 48 divisors (see below), whose sum is σ = 25047360. Its totient is φ = 2824800.

The previous prime is 8861249. The next prime is 8861261. The reversal of 8861256 is 6521688.

It is a happy number.

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 8861256.

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, 1020 + ... + 4331.

It is an arithmetic number, because the mean of its divisors is an integer number (521820).

Almost surely, 2^8861256 is an apocalyptic number.

It is an amenable number.

8861256 is an abundant number, since it is smaller than the sum of its proper divisors (16186104).

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

8861256 is a wasteful number, since it uses less digits than its factorization.

8861256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386 (or 5379 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 8861256 is about 2976.7861864770. The cubic root of 8861256 is about 206.9339563867.

The spelling of 8861256 in words is "eight million, eight hundred sixty-one thousand, two hundred fifty-six".