6678984 has 32 divisors (see below), whose sum is σ = 17982720. Its totient is φ = 2054976.

The previous prime is 6678979. The next prime is 6679009. The reversal of 6678984 is 4898766.

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, 10392 + ... + 11015.

It is an arithmetic number, because the mean of its divisors is an integer number (561960).

Almost surely, 2^6678984 is an apocalyptic number.

It is an amenable number.

6678984 is an abundant number, since it is smaller than the sum of its proper divisors (11303736).

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

6678984 is a wasteful number, since it uses less digits than its factorization.

6678984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21429 (or 21425 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 6678984 is about 2584.3730380887. The cubic root of 6678984 is about 188.3230450084.

The spelling of 6678984 in words is "six million, six hundred seventy-eight thousand, nine hundred eighty-four".