89047860 has 48 divisors (see below), whose sum is σ = 272002752. Its totient is φ = 21587200.

The previous prime is 89047831. The next prime is 89047879. The reversal of 89047860 is 6874098.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66801 + ... + 68120.

It is an arithmetic number, because the mean of its divisors is an integer number (5666724).

Almost surely, 2^89047860 is an apocalyptic number.

It is an amenable number.

89047860 is an abundant number, since it is smaller than the sum of its proper divisors (182954892).

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

89047860 is a wasteful number, since it uses less digits than its factorization.

89047860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134944 (or 134942 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 89047860 is about 9436.5173660625. The cubic root of 89047860 is about 446.5545261910.

Adding to 89047860 its product of nonzero digits (96768), we get a triangular number (89144628 = T₁₃₃₅₂).

The spelling of 89047860 in words is "eighty-nine million, forty-seven thousand, eight hundred sixty".