91365 has 8 divisors (see below), whose sum is σ = 146208. Its totient is φ = 48720.

The previous prime is 91331. The next prime is 91367. The reversal of 91365 is 56319.

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

It is not a de Polignac number, because 91365 - 2⁷ = 91237 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91365.

It is not an unprimeable number, because it can be changed into a prime (91367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (18276).

2⁹¹³⁶⁵ is an apocalyptic number.

It is an amenable number.

91365 is a deficient number, since it is larger than the sum of its proper divisors (54843).

91365 is a wasteful number, since it uses less digits than its factorization.

91365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099.

The product of its digits is 810, while the sum is 24.

The square root of 91365 is about 302.2664387589. The cubic root of 91365 is about 45.0394715404.

The spelling of 91365 in words is "ninety-one thousand, three hundred sixty-five".