9189664 has 24 divisors (see below), whose sum is σ = 19737648. Its totient is φ = 4176960.

The previous prime is 9189647. The next prime is 9189667. The reversal of 9189664 is 4669819.

It is a self number, because there is not a number n which added to its sum of digits gives 9189664.

It is not an unprimeable number, because it can be changed into a prime (9189667) 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, 12702 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (822402).

Almost surely, 2^9189664 is an apocalyptic number.

It is an amenable number.

9189664 is an abundant number, since it is smaller than the sum of its proper divisors (10547984).

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

9189664 is a wasteful number, since it uses less digits than its factorization.

9189664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26128 (or 26120 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 9189664 is about 3031.4458596518. The cubic root of 9189664 is about 209.4594108002.

The spelling of 9189664 in words is "nine million, one hundred eighty-nine thousand, six hundred sixty-four".