31677964 has 6 divisors (see below), whose sum is σ = 55436444. Its totient is φ = 15838980.

The previous prime is 31677949. The next prime is 31677983. The reversal of 31677964 is 46977613.

It is a self number, because there is not a number n which added to its sum of digits gives 31677964.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3959742 + ... + 3959749.

Almost surely, 2^31677964 is an apocalyptic number.

It is an amenable number.

31677964 is a deficient number, since it is larger than the sum of its proper divisors (23758480).

31677964 is a wasteful number, since it uses less digits than its factorization.

31677964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7919495 (or 7919493 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 31677964 is about 5628.3180436077. The cubic root of 31677964 is about 316.4116171017.

The spelling of 31677964 in words is "thirty-one million, six hundred seventy-seven thousand, nine hundred sixty-four".