8866856 has 8 divisors (see below), whose sum is σ = 16625370. Its totient is φ = 4433424.

The previous prime is 8866829. The next prime is 8866861. The reversal of 8866856 is 6586688.

It can be written as a sum of positive squares in only one way, i.e., 7344100 + 1522756 = 2710^2 + 1234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8866856² = 157242270649472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8866856.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554171 + ... + 554186.

Almost surely, 2^8866856 is an apocalyptic number.

It is an amenable number.

8866856 is a deficient number, since it is larger than the sum of its proper divisors (7758514).

8866856 is a wasteful number, since it uses less digits than its factorization.

8866856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108363 (or 1108359 counting only the distinct ones).

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

The square root of 8866856 is about 2977.7266496440. The cubic root of 8866856 is about 206.9775388513.

The spelling of 8866856 in words is "eight million, eight hundred sixty-six thousand, eight hundred fifty-six".