89844980 has 12 divisors (see below), whose sum is σ = 188674500. Its totient is φ = 35937984.

The previous prime is 89844971. The next prime is 89845003. The reversal of 89844980 is 8944898.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55294096 + 34550884 = 7436^2 + 5878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246105 + ... + 2246144.

It is an arithmetic number, because the mean of its divisors is an integer number (15722875).

Almost surely, 2^89844980 is an apocalyptic number.

It is an amenable number.

89844980 is an abundant number, since it is smaller than the sum of its proper divisors (98829520).

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

89844980 is a wasteful number, since it uses less digits than its factorization.

89844980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492258 (or 4492256 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 89844980 is about 9478.6591878810. The cubic root of 89844980 is about 447.8830277628.

The spelling of 89844980 in words is "eighty-nine million, eight hundred forty-four thousand, nine hundred eighty".