31968486 has 32 divisors (see below), whose sum is σ = 77500800. Its totient is φ = 9687240.

The previous prime is 31968473. The next prime is 31968493. The reversal of 31968486 is 68486913.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26316 + ... + 27503.

It is an arithmetic number, because the mean of its divisors is an integer number (2421900).

Almost surely, 2^31968486 is an apocalyptic number.

31968486 is an abundant number, since it is smaller than the sum of its proper divisors (45532314).

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

31968486 is a wasteful number, since it uses less digits than its factorization.

31968486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53841 (or 53835 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 31968486 is about 5654.0680929752. The cubic root of 31968486 is about 317.3759566695.

The spelling of 31968486 in words is "thirty-one million, nine hundred sixty-eight thousand, four hundred eighty-six".