31946994 has 16 divisors (see below), whose sum is σ = 70993440. Its totient is φ = 10648980.

The previous prime is 31946989. The next prime is 31947011. The reversal of 31946994 is 49964913.

It is a super-2 number, since 2×31946994² = 2041220851272072, which contains 22 as substring.

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, 295752 + ... + 295859.

It is an arithmetic number, because the mean of its divisors is an integer number (4437090).

Almost surely, 2^31946994 is an apocalyptic number.

31946994 is an abundant number, since it is smaller than the sum of its proper divisors (39046446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31946994 is a wasteful number, since it uses less digits than its factorization.

31946994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591622 (or 591616 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 31946994 is about 5652.1671949793. The cubic root of 31946994 is about 317.3048181405.

The spelling of 31946994 in words is "thirty-one million, nine hundred forty-six thousand, nine hundred ninety-four".