31679448 has 32 divisors (see below), whose sum is σ = 79358400. Its totient is φ = 10538528.

The previous prime is 31679423. The next prime is 31679467. The reversal of 31679448 is 84497613.

It is a congruent number.

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, 14815 + ... + 16817.

It is an arithmetic number, because the mean of its divisors is an integer number (2479950).

Almost surely, 2^31679448 is an apocalyptic number.

It is an amenable number.

31679448 is an abundant number, since it is smaller than the sum of its proper divisors (47678952).

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

31679448 is a wasteful number, since it uses less digits than its factorization.

31679448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671 (or 2667 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 31679448 is about 5628.4498754097. The cubic root of 31679448 is about 316.4165579443.

The spelling of 31679448 in words is "thirty-one million, six hundred seventy-nine thousand, four hundred forty-eight".