9389664 has 36 divisors (see below), whose sum is σ = 26702676. Its totient is φ = 3129792.

The previous prime is 9389663. The next prime is 9389671. The reversal of 9389664 is 4669839.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9389663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16014 + ... + 16589.

It is an arithmetic number, because the mean of its divisors is an integer number (741741).

Almost surely, 2^9389664 is an apocalyptic number.

It is an amenable number.

9389664 is an abundant number, since it is smaller than the sum of its proper divisors (17313012).

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

9389664 is a wasteful number, since it uses less digits than its factorization.

9389664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32619 (or 32608 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9389664 is about 3064.2558639905. The cubic root of 9389664 is about 210.9680476911.

The spelling of 9389664 in words is "nine million, three hundred eighty-nine thousand, six hundred sixty-four".