6943984 has 20 divisors (see below), whose sum is σ = 13768216. Its totient is φ = 3390912.

The previous prime is 6943919. The next prime is 6943991. The reversal of 6943984 is 4893496.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 6943984.

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, 4359 + ... + 5734.

Almost surely, 2^6943984 is an apocalyptic number.

It is an amenable number.

6943984 is a deficient number, since it is larger than the sum of its proper divisors (6824232).

6943984 is a wasteful number, since it uses less digits than its factorization.

6943984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144 (or 10138 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 6943984 is about 2635.1440188346. The cubic root of 6943984 is about 190.7814903805.

The spelling of 6943984 in words is "six million, nine hundred forty-three thousand, nine hundred eighty-four".