8556648 has 32 divisors (see below), whose sum is σ = 21667200. Its totient is φ = 2815488.

The previous prime is 8556641. The next prime is 8556649. The reversal of 8556648 is 8466558.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8556641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 4152.

It is an arithmetic number, because the mean of its divisors is an integer number (677100).

Almost surely, 2^8556648 is an apocalyptic number.

It is an amenable number.

8556648 is an abundant number, since it is smaller than the sum of its proper divisors (13110552).

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

8556648 is a wasteful number, since it uses less digits than its factorization.

8556648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601 (or 4597 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 8556648 is about 2925.1748665678. The cubic root of 8556648 is about 204.5351194958.

It can be divided in two parts, 855 and 6648, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 8556648 in words is "eight million, five hundred fifty-six thousand, six hundred forty-eight".