8684664 has 32 divisors (see below), whose sum is σ = 22013520. Its totient is φ = 2854656.

The previous prime is 8684657. The next prime is 8684693. The reversal of 8684664 is 4664868.

It is a nude number because it is divisible by every one of its digits.

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, 727 + ... + 4230.

Almost surely, 2^8684664 is an apocalyptic number.

It is an amenable number.

8684664 is an abundant number, since it is smaller than the sum of its proper divisors (13328856).

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

8684664 is a wasteful number, since it uses less digits than its factorization.

8684664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039 (or 5035 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 8684664 is about 2946.9753986079. The cubic root of 8684664 is about 205.5500910919.

The spelling of 8684664 in words is "eight million, six hundred eighty-four thousand, six hundred sixty-four".