989898080 has 48 divisors (see below), whose sum is σ = 2359373184. Its totient is φ = 392448000.

The previous prime is 989898079. The next prime is 989898113. The reversal of 989898080 is 80898989.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9296 + ... + 45455.

It is an arithmetic number, because the mean of its divisors is an integer number (49153608).

Almost surely, 2^989898080 is an apocalyptic number.

It is an amenable number.

989898080 is an abundant number, since it is smaller than the sum of its proper divisors (1369475104).

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

989898080 is a wasteful number, since it uses less digits than its factorization.

989898080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54879 (or 54871 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 59.

The square root of 989898080 is about 31462.6457882995. The cubic root of 989898080 is about 996.6212905123.

The spelling of 989898080 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, eighty".