5638244 has 12 divisors (see below), whose sum is σ = 9887724. Its totient is φ = 2813184.

The previous prime is 5638229. The next prime is 5638247. The reversal of 5638244 is 4428365.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 2788900 = 1688^2 + 1670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5638244.

It is not an unprimeable number, because it can be changed into a prime (5638247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (823977).

Almost surely, 2^5638244 is an apocalyptic number.

It is an amenable number.

5638244 is a deficient number, since it is larger than the sum of its proper divisors (4249480).

5638244 is a wasteful number, since it uses less digits than its factorization.

5638244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2972 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 5638244 is about 2374.4986839331. The cubic root of 5638244 is about 177.9841335855.

The spelling of 5638244 in words is "five million, six hundred thirty-eight thousand, two hundred forty-four".