89049980 has 24 divisors (see below), whose sum is σ = 193038720. Its totient is φ = 34470720.

The previous prime is 89049973. The next prime is 89050051. The reversal of 89049980 is 8994098.

It is a congruent number.

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, 71195 + ... + 72434.

It is an arithmetic number, because the mean of its divisors is an integer number (8043280).

Almost surely, 2^89049980 is an apocalyptic number.

It is an amenable number.

89049980 is an abundant number, since it is smaller than the sum of its proper divisors (103988740).

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

89049980 is a wasteful number, since it uses less digits than its factorization.

89049980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143669 (or 143667 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 89049980 is about 9436.6296949706. The cubic root of 89049980 is about 446.5580699336.

The spelling of 89049980 in words is "eighty-nine million, forty-nine thousand, nine hundred eighty".