89165 has 8 divisors (see below), whose sum is σ = 113400. Its totient is φ = 67072.

The previous prime is 89153. The next prime is 89189. The reversal of 89165 is 56198.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 51529 = 194^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89165 - 2⁶ = 89101 is a prime.

It is a plaindrome in base 14.

It is a congruent 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, 440 + ... + 609.

It is an arithmetic number, because the mean of its divisors is an integer number (14175).

2⁸⁹¹⁶⁵ is an apocalyptic number.

89165 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89165 is a deficient number, since it is larger than the sum of its proper divisors (24235).

89165 is a wasteful number, since it uses less digits than its factorization.

89165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its digits is 2160, while the sum is 29.

The square root of 89165 is about 298.6050903786. The cubic root of 89165 is about 44.6750250441.

The spelling of 89165 in words is "eighty-nine thousand, one hundred sixty-five".