31944944 has 10 divisors (see below), whose sum is σ = 61893360. Its totient is φ = 15972464.

The previous prime is 31944943. The next prime is 31944971. The reversal of 31944944 is 44944913.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31944898 and 31944907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31944943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998264 + ... + 998295.

It is an arithmetic number, because the mean of its divisors is an integer number (6189336).

Almost surely, 2^31944944 is an apocalyptic number.

It is an amenable number.

31944944 is a deficient number, since it is larger than the sum of its proper divisors (29948416).

31944944 is a wasteful number, since it uses less digits than its factorization.

31944944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996567 (or 1996561 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 31944944 is about 5651.9858457006. The cubic root of 31944944 is about 317.2980309731.

The spelling of 31944944 in words is "thirty-one million, nine hundred forty-four thousand, nine hundred forty-four".