6879984 has 20 divisors (see below), whose sum is σ = 17773416. Its totient is φ = 2293312.

The previous prime is 6879973. The next prime is 6879997. The reversal of 6879984 is 4899786.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 71619 + ... + 71714.

Almost surely, 2^6879984 is an apocalyptic number.

It is an amenable number.

6879984 is an abundant number, since it is smaller than the sum of its proper divisors (10893432).

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

6879984 is a wasteful number, since it uses less digits than its factorization.

6879984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143344 (or 143338 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 6879984 is about 2622.9723597476. The cubic root of 6879984 is about 190.1935608241.

The spelling of 6879984 in words is "six million, eight hundred seventy-nine thousand, nine hundred eighty-four".