931393864 has 16 divisors (see below), whose sum is σ = 1748487600. Its totient is φ = 465130512.

The previous prime is 931393861. The next prime is 931393873. The reversal of 931393864 is 468393139.

931393864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (931393861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63774 + ... + 77005.

It is an arithmetic number, because the mean of its divisors is an integer number (109280475).

Almost surely, 2^931393864 is an apocalyptic number.

It is an amenable number.

931393864 is a deficient number, since it is larger than the sum of its proper divisors (817093736).

931393864 is a wasteful number, since it uses less digits than its factorization.

931393864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141612 (or 141608 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 931393864 is about 30518.7461079252. The cubic root of 931393864 is about 976.5874168101.

The spelling of 931393864 in words is "nine hundred thirty-one million, three hundred ninety-three thousand, eight hundred sixty-four".