6624004 has 12 divisors (see below), whose sum is σ = 11617228. Its totient is φ = 3304800.

The previous prime is 6623963. The next prime is 6624017. The reversal of 6624004 is 4004266.

It can be written as a sum of positive squares in 2 ways, for example, as 4796100 + 1827904 = 2190^2 + 1352^2 .

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 3694.

Almost surely, 2^6624004 is an apocalyptic number.

It is an amenable number.

6624004 is a deficient number, since it is larger than the sum of its proper divisors (4993224).

6624004 is a wasteful number, since it uses less digits than its factorization.

6624004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606 (or 3604 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6624004 is about 2573.7140478305. The cubic root of 6624004 is about 187.8048752630.

The spelling of 6624004 in words is "six million, six hundred twenty-four thousand, four".