6680864 has 24 divisors (see below), whose sum is σ = 13927788. Its totient is φ = 3143680.

The previous prime is 6680851. The next prime is 6680873. The reversal of 6680864 is 4680866.

It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 824464 = 2420^2 + 908^2 .

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, 5597 + ... + 6684.

Almost surely, 2^6680864 is an apocalyptic number.

It is an amenable number.

6680864 is an abundant number, since it is smaller than the sum of its proper divisors (7246924).

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

6680864 is a wasteful number, since it uses less digits than its factorization.

6680864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308 (or 12300 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 6680864 is about 2584.7367370779. The cubic root of 6680864 is about 188.3407130704.

The spelling of 6680864 in words is "six million, six hundred eighty thousand, eight hundred sixty-four".