89171 has 4 divisors (see below), whose sum is σ = 93072. Its totient is φ = 85272.

The previous prime is 89153. The next prime is 89189. The reversal of 89171 is 17198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17198 = 2 ⋅8599.

It is an interprime number because it is at equal distance from previous prime (89153) and next prime (89189).

It is a cyclic number.

It is not a de Polignac number, because 89171 - 2⁶ = 89107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89171.

It is not an unprimeable number, because it can be changed into a prime (89101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (23268).

2⁸⁹¹⁷¹ is an apocalyptic number.

89171 is a deficient number, since it is larger than the sum of its proper divisors (3901).

89171 is a wasteful number, since it uses less digits than its factorization.

89171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900.

The product of its digits is 504, while the sum is 26.

The square root of 89171 is about 298.6151369238. The cubic root of 89171 is about 44.6760270970.

The spelling of 89171 in words is "eighty-nine thousand, one hundred seventy-one".