5631944 has 16 divisors (see below), whose sum is σ = 10596300. Its totient is φ = 2806272.

The previous prime is 5631943. The next prime is 5631949. The reversal of 5631944 is 4491365.

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 52900 = 2362^2 + 230^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5631944.

It is not an unprimeable number, because it can be changed into a prime (5631943) 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, 1652 + ... + 3740.

Almost surely, 2^5631944 is an apocalyptic number.

It is an amenable number.

5631944 is a deficient number, since it is larger than the sum of its proper divisors (4964356).

5631944 is a wasteful number, since it uses less digits than its factorization.

5631944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432 (or 2428 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 5631944 is about 2373.1717173437. The cubic root of 5631944 is about 177.9178175519.

The spelling of 5631944 in words is "five million, six hundred thirty-one thousand, nine hundred forty-four".