6664928 has 12 divisors (see below), whose sum is σ = 13121640. Its totient is φ = 3332448.

The previous prime is 6664891. The next prime is 6664937. The reversal of 6664928 is 8294666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104108 + ... + 104171.

It is an arithmetic number, because the mean of its divisors is an integer number (1093470).

Almost surely, 2^6664928 is an apocalyptic number.

It is an amenable number.

6664928 is a deficient number, since it is larger than the sum of its proper divisors (6456712).

6664928 is a wasteful number, since it uses less digits than its factorization.

6664928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208289 (or 208281 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 6664928 is about 2581.6521841642. The cubic root of 6664928 is about 188.1908428739.

The spelling of 6664928 in words is "six million, six hundred sixty-four thousand, nine hundred twenty-eight".