9955664 has 40 divisors (see below), whose sum is σ = 20186208. Its totient is φ = 4752000.

The previous prime is 9955651. The next prime is 9955697. The reversal of 9955664 is 4665599.

9955664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 39539 + ... + 39789.

Almost surely, 2^9955664 is an apocalyptic number.

It is an amenable number.

9955664 is an abundant number, since it is smaller than the sum of its proper divisors (10230544).

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

9955664 is a wasteful number, since it uses less digits than its factorization.

9955664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its digits is 291600, while the sum is 44.

The square root of 9955664 is about 3155.2597357428. The cubic root of 9955664 is about 215.1246005714.

The spelling of 9955664 in words is "nine million, nine hundred fifty-five thousand, six hundred sixty-four".