91356 has 24 divisors (see below), whose sum is σ = 223104. Its totient is φ = 29040.

The previous prime is 91331. The next prime is 91367. The reversal of 91356 is 65319.

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, 111 + ... + 441.

It is an arithmetic number, because the mean of its divisors is an integer number (9296).

2⁹¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111552).

91356 is an abundant number, since it is smaller than the sum of its proper divisors (131748).

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

91356 is a wasteful number, since it uses less digits than its factorization.

91356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 359 counting only the distinct ones).

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

The square root of 91356 is about 302.2515508645. The cubic root of 91356 is about 45.0379926059.

It can be divided in two parts, 913 and 56, that added together give a palindrome (969).

The spelling of 91356 in words is "ninety-one thousand, three hundred fifty-six".