8628684 has 12 divisors (see below), whose sum is σ = 20133624. Its totient is φ = 2876224.

The previous prime is 8628677. The next prime is 8628709. The reversal of 8628684 is 4868268.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359517 + ... + 359540.

It is an arithmetic number, because the mean of its divisors is an integer number (1677802).

Almost surely, 2^8628684 is an apocalyptic number.

It is an amenable number.

8628684 is an abundant number, since it is smaller than the sum of its proper divisors (11504940).

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

8628684 is a wasteful number, since it uses less digits than its factorization.

8628684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719064 (or 719062 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 8628684 is about 2937.4621699692. The cubic root of 8628684 is about 205.1074907229.

The spelling of 8628684 in words is "eight million, six hundred twenty-eight thousand, six hundred eighty-four".