31898968 has 16 divisors (see below), whose sum is σ = 60704280. Its totient is φ = 15711168.

The previous prime is 31898941. The next prime is 31898981. The reversal of 31898968 is 86989813.

It is a congruent number.

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, 29221 + ... + 30292.

Almost surely, 2^31898968 is an apocalyptic number.

It is an amenable number.

31898968 is a deficient number, since it is larger than the sum of its proper divisors (28805312).

31898968 is a wasteful number, since it uses less digits than its factorization.

31898968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59586 (or 59582 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 31898968 is about 5647.9171382024. The cubic root of 31898968 is about 317.1457366758.

The spelling of 31898968 in words is "thirty-one million, eight hundred ninety-eight thousand, nine hundred sixty-eight".