89845980 has 48 divisors (see below), whose sum is σ = 287508480. Its totient is φ = 20536128.

The previous prime is 89845949. The next prime is 89846021. The reversal of 89845980 is 8954898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106540 + ... + 107379.

It is an arithmetic number, because the mean of its divisors is an integer number (5989760).

Almost surely, 2^89845980 is an apocalyptic number.

It is an amenable number.

89845980 is an abundant number, since it is smaller than the sum of its proper divisors (197662500).

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

89845980 is a wasteful number, since it uses less digits than its factorization.

89845980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213938 (or 213936 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 89845980 is about 9478.7119378110. The cubic root of 89845980 is about 447.8846894448.

The spelling of 89845980 in words is "eighty-nine million, eight hundred forty-five thousand, nine hundred eighty".