31985674 has 8 divisors (see below), whose sum is σ = 54832608. Its totient is φ = 13708140.

The previous prime is 31985669. The next prime is 31985693. The reversal of 31985674 is 47658913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31985674.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142332 + ... + 1142359.

It is an arithmetic number, because the mean of its divisors is an integer number (6854076).

Almost surely, 2^31985674 is an apocalyptic number.

31985674 is a deficient number, since it is larger than the sum of its proper divisors (22846934).

31985674 is a wasteful number, since it uses less digits than its factorization.

31985674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284700.

The product of its digits is 181440, while the sum is 43.

The square root of 31985674 is about 5655.5878562710. The cubic root of 31985674 is about 317.4328260146.

The spelling of 31985674 in words is "thirty-one million, nine hundred eighty-five thousand, six hundred seventy-four".