8668856 has 32 divisors (see below), whose sum is σ = 18675840. Its totient is φ = 3695328.

The previous prime is 8668837. The next prime is 8668873. The reversal of 8668856 is 6588668.

It is a self number, because there is not a number n which added to its sum of digits gives 8668856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15575 + ... + 16121.

It is an arithmetic number, because the mean of its divisors is an integer number (583620).

Almost surely, 2^8668856 is an apocalyptic number.

It is an amenable number.

8668856 is an abundant number, since it is smaller than the sum of its proper divisors (10006984).

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

8668856 is a wasteful number, since it uses less digits than its factorization.

8668856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 839 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 8668856 is about 2944.2921050738. The cubic root of 8668856 is about 205.4252998761.

The spelling of 8668856 in words is "eight million, six hundred sixty-eight thousand, eight hundred fifty-six".