6624444 has 24 divisors (see below), whose sum is σ = 15523200. Its totient is φ = 2198704.

The previous prime is 6624439. The next prime is 6624463. The reversal of 6624444 is 4444266.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (646800).

Almost surely, 2^6624444 is an apocalyptic number.

It is an amenable number.

6624444 is an abundant number, since it is smaller than the sum of its proper divisors (8898756).

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

6624444 is a wasteful number, since it uses less digits than its factorization.

6624444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2367 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 6624444 is about 2573.7995259927. The cubic root of 6624444 is about 187.8090334889.

The spelling of 6624444 in words is "six million, six hundred twenty-four thousand, four hundred forty-four".