89170 has 16 divisors (see below), whose sum is σ = 165528. Its totient is φ = 34560.

The previous prime is 89153. The next prime is 89189. The reversal of 89170 is 7198.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 961 = 297^2 + 31^2 .

It is an Ulam number.

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, 250 + ... + 490.

2⁸⁹¹⁷⁰ is an apocalyptic number.

89170 is a deficient number, since it is larger than the sum of its proper divisors (76358).

89170 is a wasteful number, since it uses less digits than its factorization.

89170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 89170 is about 298.6134625230. The cubic root of 89170 is about 44.6758600913.

It can be divided in two parts, 891 and 70, that added together give a square (961 = 31²).

The spelling of 89170 in words is "eighty-nine thousand, one hundred seventy".