9599980 has 24 divisors (see below), whose sum is σ = 21711312. Its totient is φ = 3544512.

The previous prime is 9599977. The next prime is 9600037. The reversal of 9599980 is 899959.

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, 18202 + ... + 18721.

It is an arithmetic number, because the mean of its divisors is an integer number (904638).

Almost surely, 2^9599980 is an apocalyptic number.

It is an amenable number.

9599980 is an abundant number, since it is smaller than the sum of its proper divisors (12111332).

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

9599980 is a wasteful number, since it uses less digits than its factorization.

9599980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36945 (or 36943 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 49.

The square root of 9599980 is about 3098.3834494781. The cubic root of 9599980 is about 212.5315662450.

The spelling of 9599980 in words is "nine million, five hundred ninety-nine thousand, nine hundred eighty".