9659660 has 24 divisors (see below), whose sum is σ = 20363616. Its totient is φ = 3848960.

The previous prime is 9659653. The next prime is 9659711. The reversal of 9659660 is 669569.

9659660 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 5444 + ... + 6996.

It is an arithmetic number, because the mean of its divisors is an integer number (848484).

Almost surely, 2^9659660 is an apocalyptic number.

It is an amenable number.

9659660 is an abundant number, since it is smaller than the sum of its proper divisors (10703956).

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

9659660 is a wasteful number, since it uses less digits than its factorization.

9659660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 9659660 is about 3107.9993564993. Note that the first 3 decimals coincide. The cubic root of 9659660 is about 212.9710702993.

The spelling of 9659660 in words is "nine million, six hundred fifty-nine thousand, six hundred sixty".