6653984 has 24 divisors (see below), whose sum is σ = 13165740. Its totient is φ = 3310336.

The previous prime is 6653957. The next prime is 6653989. The reversal of 6653984 is 4893566.

It can be written as a sum of positive squares in 2 ways, for example, as 4963984 + 1690000 = 2228^2 + 1300^2 .

It is not an unprimeable number, because it can be changed into a prime (6653989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8222 + ... + 8994.

Almost surely, 2^6653984 is an apocalyptic number.

It is an amenable number.

6653984 is a deficient number, since it is larger than the sum of its proper divisors (6511756).

6653984 is a wasteful number, since it uses less digits than its factorization.

6653984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1044 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 6653984 is about 2579.5317404521. The cubic root of 6653984 is about 188.0877815505.

The spelling of 6653984 in words is "six million, six hundred fifty-three thousand, nine hundred eighty-four".