9131864 has 32 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 3887520.

The previous prime is 9131849. The next prime is 9131891. The reversal of 9131864 is 4681319.

It is a happy number.

9131864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9131864² = 166781880228992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9131864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9569 + ... + 10479.

It is an arithmetic number, because the mean of its divisors is an integer number (615600).

Almost surely, 2^9131864 is an apocalyptic number.

It is an amenable number.

9131864 is an abundant number, since it is smaller than the sum of its proper divisors (10567336).

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

9131864 is a wasteful number, since it uses less digits than its factorization.

9131864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1099 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 9131864 is about 3021.8974171868. The cubic root of 9131864 is about 209.0193430050.

The spelling of 9131864 in words is "nine million, one hundred thirty-one thousand, eight hundred sixty-four".