6663884 has 24 divisors (see below), whose sum is σ = 12249216. Its totient is φ = 3168000.

The previous prime is 6663869. The next prime is 6663893. The reversal of 6663884 is 4883666.

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 7 ways as a sum of consecutive naturals, for example, 7124 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (510384).

Almost surely, 2^6663884 is an apocalyptic number.

It is an amenable number.

6663884 is a deficient number, since it is larger than the sum of its proper divisors (5585332).

6663884 is a wasteful number, since it uses less digits than its factorization.

6663884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 6663884 is about 2581.4499801468. The cubic root of 6663884 is about 188.1810162361.

The spelling of 6663884 in words is "six million, six hundred sixty-three thousand, eight hundred eighty-four".