6990684 has 24 divisors (see below), whose sum is σ = 16439808. Its totient is φ = 2311920.

The previous prime is 6990679. The next prime is 6990691. The reversal of 6990684 is 4860996.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (684992).

Almost surely, 2^6990684 is an apocalyptic number.

It is an amenable number.

6990684 is an abundant number, since it is smaller than the sum of its proper divisors (9449124).

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

6990684 is a wasteful number, since it uses less digits than its factorization.

6990684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585 (or 4583 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 6990684 is about 2643.9901663962. The cubic root of 6990684 is about 191.2082193324.

The spelling of 6990684 in words is "six million, nine hundred ninety thousand, six hundred eighty-four".