8556980 has 12 divisors (see below), whose sum is σ = 17969700. Its totient is φ = 3422784.

The previous prime is 8556959. The next prime is 8557007. The reversal of 8556980 is 896558.

It can be written as a sum of positive squares in 2 ways, for example, as 5438224 + 3118756 = 2332^2 + 1766^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213905 + ... + 213944.

It is an arithmetic number, because the mean of its divisors is an integer number (1497475).

Almost surely, 2^8556980 is an apocalyptic number.

It is an amenable number.

8556980 is an abundant number, since it is smaller than the sum of its proper divisors (9412720).

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

8556980 is a wasteful number, since it uses less digits than its factorization.

8556980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427858 (or 427856 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 8556980 is about 2925.2316147615. The cubic root of 8556980 is about 204.5377647988.

The spelling of 8556980 in words is "eight million, five hundred fifty-six thousand, nine hundred eighty".