89842180 has 24 divisors (see below), whose sum is σ = 189361368. Its totient is φ = 35804928.

The previous prime is 89842171. The next prime is 89842183. The reversal of 89842180 is 8124898.

It can be written as a sum of positive squares in 4 ways, for example, as 8156736 + 81685444 = 2856^2 + 9038^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89842183) by changing a digit.

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, 2569 + ... + 13648.

It is an arithmetic number, because the mean of its divisors is an integer number (7890057).

Almost surely, 2^89842180 is an apocalyptic number.

It is an amenable number.

89842180 is an abundant number, since it is smaller than the sum of its proper divisors (99519188).

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

89842180 is a wasteful number, since it uses less digits than its factorization.

89842180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503 (or 16501 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 89842180 is about 9478.5114865152. The cubic root of 89842180 is about 447.8783749875.

The spelling of 89842180 in words is "eighty-nine million, eight hundred forty-two thousand, one hundred eighty".