89170960 has 40 divisors (see below), whose sum is σ = 210176280. Its totient is φ = 35177472.

The previous prime is 89170937. The next prime is 89170979. The reversal of 89170960 is 6907198.

It can be written as a sum of positive squares in 4 ways, for example, as 9461776 + 79709184 = 3076^2 + 8928^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1795 + ... + 13474.

It is an arithmetic number, because the mean of its divisors is an integer number (5254407).

Almost surely, 2^89170960 is an apocalyptic number.

89170960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89170960 is an abundant number, since it is smaller than the sum of its proper divisors (121005320).

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

89170960 is a wasteful number, since it uses less digits than its factorization.

89170960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15355 (or 15349 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 89170960 is about 9443.0376468592. The cubic root of 89170960 is about 446.7602041676.

The spelling of 89170960 in words is "eighty-nine million, one hundred seventy thousand, nine hundred sixty".