6623984 has 20 divisors (see below), whose sum is σ = 12964200. Its totient is φ = 3278400.

The previous prime is 6623963. The next prime is 6624017. The reversal of 6623984 is 4893266.

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, 434 + ... + 3665.

It is an arithmetic number, because the mean of its divisors is an integer number (648210).

Almost surely, 2^6623984 is an apocalyptic number.

It is an amenable number.

6623984 is a deficient number, since it is larger than the sum of its proper divisors (6340216).

6623984 is a wasteful number, since it uses less digits than its factorization.

6623984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208 (or 4202 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 6623984 is about 2573.7101623920. The cubic root of 6623984 is about 187.8046862483.

The spelling of 6623984 in words is "six million, six hundred twenty-three thousand, nine hundred eighty-four".