9231664 has 20 divisors (see below), whose sum is σ = 19262656. Its totient is φ = 4260672.

The previous prime is 9231661. The next prime is 9231689. The reversal of 9231664 is 4661329.

It is not an unprimeable number, because it can be changed into a prime (9231661) 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 3 ways as a sum of consecutive naturals, for example, 21984 + ... + 22399.

Almost surely, 2^9231664 is an apocalyptic number.

It is an amenable number.

9231664 is an abundant number, since it is smaller than the sum of its proper divisors (10030992).

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

9231664 is a wasteful number, since it uses less digits than its factorization.

9231664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44404 (or 44398 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 9231664 is about 3038.3653499867. The cubic root of 9231664 is about 209.7780269808.

The spelling of 9231664 in words is "nine million, two hundred thirty-one thousand, six hundred sixty-four".