6684828 has 12 divisors (see below), whose sum is σ = 15597960. Its totient is φ = 2228272.

The previous prime is 6684817. The next prime is 6684833. The reversal of 6684828 is 8284866.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6684828.

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, 278523 + ... + 278546.

It is an arithmetic number, because the mean of its divisors is an integer number (1299830).

Almost surely, 2^6684828 is an apocalyptic number.

It is an amenable number.

6684828 is an abundant number, since it is smaller than the sum of its proper divisors (8913132).

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

6684828 is a wasteful number, since it uses less digits than its factorization.

6684828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557076 (or 557074 counting only the distinct ones).

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

The square root of 6684828 is about 2585.5034326026. The cubic root of 6684828 is about 188.3779555078.

The spelling of 6684828 in words is "six million, six hundred eighty-four thousand, eight hundred twenty-eight".