91032 has 16 divisors (see below), whose sum is σ = 227640. Its totient is φ = 30336.

The previous prime is 91019. The next prime is 91033. The reversal of 91032 is 23019.

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 91032.

It is not an unprimeable number, because it can be changed into a prime (91033) by changing a digit.

91032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1873 + ... + 1920.

2⁹¹⁰³² is an apocalyptic number.

It is an amenable number.

91032 is an abundant number, since it is smaller than the sum of its proper divisors (136608).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113820).

91032 is a wasteful number, since it uses less digits than its factorization.

91032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802 (or 3798 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 91032 is about 301.7150974015. The cubic root of 91032 is about 44.9846861472.

The spelling of 91032 in words is "ninety-one thousand, thirty-two".