6624660 has 48 divisors (see below), whose sum is σ = 21200256. Its totient is φ = 1514112.

The previous prime is 6624659. The next prime is 6624671. The reversal of 6624660 is 664266.

It is a super-2 number, since 2×6624660² = 87772240231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7467 + ... + 8306.

It is an arithmetic number, because the mean of its divisors is an integer number (441672).

Almost surely, 2^6624660 is an apocalyptic number.

6624660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6624660 is an abundant number, since it is smaller than the sum of its proper divisors (14575596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6624660 is a wasteful number, since it uses less digits than its factorization.

6624660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792 (or 15790 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6624660 is about 2573.8414869607. The cubic root of 6624660 is about 187.8110747324.

The spelling of 6624660 in words is "six million, six hundred twenty-four thousand, six hundred sixty".