5621944 has 8 divisors (see below), whose sum is σ = 10541160. Its totient is φ = 2810968.

The previous prime is 5621939. The next prime is 5621953. The reversal of 5621944 is 4491265.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 351364 + ... + 351379.

It is an arithmetic number, because the mean of its divisors is an integer number (1317645).

Almost surely, 2^5621944 is an apocalyptic number.

It is an amenable number.

5621944 is a deficient number, since it is larger than the sum of its proper divisors (4919216).

5621944 is a wasteful number, since it uses less digits than its factorization.

5621944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702749 (or 702745 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 5621944 is about 2371.0638962289. The cubic root of 5621944 is about 177.8124523800.

The spelling of 5621944 in words is "five million, six hundred twenty-one thousand, nine hundred forty-four".