9099980 has 24 divisors (see below), whose sum is σ = 19425840. Its totient is φ = 3579840.

The previous prime is 9099967. The next prime is 9099989. The reversal of 9099980 is 899909.

9099980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9099989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2510 + ... + 4949.

It is an arithmetic number, because the mean of its divisors is an integer number (809410).

Almost surely, 2^9099980 is an apocalyptic number.

It is an amenable number.

9099980 is an abundant number, since it is smaller than the sum of its proper divisors (10325860).

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

9099980 is a wasteful number, since it uses less digits than its factorization.

9099980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529 (or 7527 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 9099980 is about 3016.6173108301. The cubic root of 9099980 is about 208.7757949168.

The spelling of 9099980 in words is "nine million, ninety-nine thousand, nine hundred eighty".