6602644 has 12 divisors (see below), whose sum is σ = 11599168. Its totient is φ = 3288600.

The previous prime is 6602627. The next prime is 6602653. The reversal of 6602644 is 4462066.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1962 + ... + 4129.

Almost surely, 2^6602644 is an apocalyptic number.

It is an amenable number.

6602644 is a deficient number, since it is larger than the sum of its proper divisors (4996524).

6602644 is a wasteful number, since it uses less digits than its factorization.

6602644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366 (or 6364 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6602644 is about 2569.5610520087. The cubic root of 6602644 is about 187.6027904532.

The spelling of 6602644 in words is "six million, six hundred two thousand, six hundred forty-four".