31789484 has 12 divisors (see below), whose sum is σ = 56815584. Its totient is φ = 15556464.

The previous prime is 31789463. The next prime is 31789493. The reversal of 31789484 is 48498713.

31789484 = T₄₈₅ + T₄₈₆ + ... + T₆₇₂.

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, 84359 + ... + 84734.

It is an arithmetic number, because the mean of its divisors is an integer number (4734632).

Almost surely, 2^31789484 is an apocalyptic number.

It is an amenable number.

31789484 is a deficient number, since it is larger than the sum of its proper divisors (25026100).

31789484 is a wasteful number, since it uses less digits than its factorization.

31789484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169144 (or 169142 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 31789484 is about 5638.2163846380. The cubic root of 31789484 is about 316.7824837057.

The spelling of 31789484 in words is "thirty-one million, seven hundred eighty-nine thousand, four hundred eighty-four".