89372180 has 12 divisors (see below), whose sum is σ = 187681620. Its totient is φ = 35748864.

The previous prime is 89372167. The next prime is 89372183. The reversal of 89372180 is 8127398.

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 51868804 = 6124^2 + 7202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89372183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234285 + ... + 2234324.

It is an arithmetic number, because the mean of its divisors is an integer number (15640135).

Almost surely, 2^89372180 is an apocalyptic number.

It is an amenable number.

89372180 is an abundant number, since it is smaller than the sum of its proper divisors (98309440).

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

89372180 is a wasteful number, since it uses less digits than its factorization.

89372180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468618 (or 4468616 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 89372180 is about 9453.6860535984. The cubic root of 89372180 is about 447.0959994138.

The spelling of 89372180 in words is "eighty-nine million, three hundred seventy-two thousand, one hundred eighty".