31493676 has 24 divisors (see below), whose sum is σ = 73657584. Its totient is φ = 10473280.

The previous prime is 31493653. The next prime is 31493677. The reversal of 31493676 is 67639413.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31493677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (3069066).

Almost surely, 2^31493676 is an apocalyptic number.

It is an amenable number.

31493676 is an abundant number, since it is smaller than the sum of its proper divisors (42163908).

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

31493676 is a wasteful number, since it uses less digits than its factorization.

31493676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161 (or 6159 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 31493676 is about 5611.9226651835. The cubic root of 31493676 is about 315.7968437286.

The spelling of 31493676 in words is "thirty-one million, four hundred ninety-three thousand, six hundred seventy-six".