9944664 has 16 divisors (see below), whose sum is σ = 24861720. Its totient is φ = 3314880.

The previous prime is 9944663. The next prime is 9944681. The reversal of 9944664 is 4664499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944663) 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, 207157 + ... + 207204.

Almost surely, 2^9944664 is an apocalyptic number.

It is an amenable number.

9944664 is an abundant number, since it is smaller than the sum of its proper divisors (14917056).

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

9944664 is a wasteful number, since it uses less digits than its factorization.

9944664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414370 (or 414366 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 9944664 is about 3153.5161328270. The cubic root of 9944664 is about 215.0453410774.

The spelling of 9944664 in words is "nine million, nine hundred forty-four thousand, six hundred sixty-four".