5639444 has 24 divisors (see below), whose sum is σ = 10523520. Its totient is φ = 2635136.

The previous prime is 5639411. The next prime is 5639453. The reversal of 5639444 is 4449365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16079 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^5639444 is an apocalyptic number.

It is an amenable number.

5639444 is a deficient number, since it is larger than the sum of its proper divisors (4884076).

5639444 is a wasteful number, since it uses less digits than its factorization.

5639444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 605 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 5639444 is about 2374.7513554054. The cubic root of 5639444 is about 177.9967596094.

The spelling of 5639444 in words is "five million, six hundred thirty-nine thousand, four hundred forty-four".