6628928 has 14 divisors (see below), whose sum is σ = 13154406. Its totient is φ = 3314432.

The previous prime is 6628879. The next prime is 6628943. The reversal of 6628928 is 8298266.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 238144 = 2528^2 + 488^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51725 + ... + 51852.

Almost surely, 2^6628928 is an apocalyptic number.

It is an amenable number.

6628928 is a deficient number, since it is larger than the sum of its proper divisors (6525478).

6628928 is a wasteful number, since it uses less digits than its factorization.

6628928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103589 (or 103579 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 6628928 is about 2574.6704643507. The cubic root of 6628928 is about 187.8513990956.

The spelling of 6628928 in words is "six million, six hundred twenty-eight thousand, nine hundred twenty-eight".