5640244 has 24 divisors (see below), whose sum is σ = 10418688. Its totient is φ = 2666400.

The previous prime is 5640211. The next prime is 5640251. The reversal of 5640244 is 4420465.

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, 8989 + ... + 9595.

It is an arithmetic number, because the mean of its divisors is an integer number (434112).

Almost surely, 2^5640244 is an apocalyptic number.

It is an amenable number.

5640244 is a deficient number, since it is larger than the sum of its proper divisors (4778444).

5640244 is a wasteful number, since it uses less digits than its factorization.

5640244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 5640244 is about 2374.9197881192. The cubic root of 5640244 is about 178.0051759636.

The spelling of 5640244 in words is "five million, six hundred forty thousand, two hundred forty-four".