6444364 has 12 divisors (see below), whose sum is σ = 11582704. Its totient is φ = 3135024.

The previous prime is 6444353. The next prime is 6444371. The reversal of 6444364 is 4634446.

It is a hoax number, since the sum of its digits (31) 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, 21624 + ... + 21919.

Almost surely, 2^6444364 is an apocalyptic number.

It is an amenable number.

6444364 is a deficient number, since it is larger than the sum of its proper divisors (5138340).

6444364 is a wasteful number, since it uses less digits than its factorization.

6444364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43584 (or 43582 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 6444364 is about 2538.5751909290. The cubic root of 6444364 is about 186.0915647368.

The spelling of 6444364 in words is "six million, four hundred forty-four thousand, three hundred sixty-four".