6655984 has 10 divisors (see below), whose sum is σ = 12896000. Its totient is φ = 3327984.

The previous prime is 6655951. The next prime is 6655997. The reversal of 6655984 is 4895566.

It is a self number, because there is not a number n which added to its sum of digits gives 6655984.

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 as a sum of consecutive naturals, namely, 207984 + ... + 208015.

It is an arithmetic number, because the mean of its divisors is an integer number (1289600).

Almost surely, 2^6655984 is an apocalyptic number.

It is an amenable number.

6655984 is a deficient number, since it is larger than the sum of its proper divisors (6240016).

6655984 is a wasteful number, since it uses less digits than its factorization.

6655984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416007 (or 416001 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 6655984 is about 2579.9193785853. The cubic root of 6655984 is about 188.1066242910.

The spelling of 6655984 in words is "six million, six hundred fifty-five thousand, nine hundred eighty-four".