8899980 has 96 divisors (see below), whose sum is σ = 27068160. Its totient is φ = 2177280.

The previous prime is 8899949. The next prime is 8899987. The reversal of 8899980 is 899988.

8899980 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 (8899987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42075 + ... + 42285.

It is an arithmetic number, because the mean of its divisors is an integer number (281960).

Almost surely, 2^8899980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8899980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13534080).

8899980 is an abundant number, since it is smaller than the sum of its proper divisors (18168180).

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

8899980 is a wasteful number, since it uses less digits than its factorization.

8899980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The square root of 8899980 is about 2983.2834260258. The cubic root of 8899980 is about 207.2349545735.

The spelling of 8899980 in words is "eight million, eight hundred ninety-nine thousand, nine hundred eighty".