6644252 has 6 divisors (see below), whose sum is σ = 11627448. Its totient is φ = 3322124.

The previous prime is 6644227. The next prime is 6644269. The reversal of 6644252 is 2524466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830528 + ... + 830535.

It is an arithmetic number, because the mean of its divisors is an integer number (1937908).

Almost surely, 2^6644252 is an apocalyptic number.

It is an amenable number.

6644252 is a deficient number, since it is larger than the sum of its proper divisors (4983196).

6644252 is a wasteful number, since it uses less digits than its factorization.

6644252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661067 (or 1661065 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 6644252 is about 2577.6446613139. The cubic root of 6644252 is about 187.9960388482.

The spelling of 6644252 in words is "six million, six hundred forty-four thousand, two hundred fifty-two".