91382 has 4 divisors (see below), whose sum is σ = 137076. Its totient is φ = 45690.

The previous prime is 91381. The next prime is 91387. The reversal of 91382 is 28319.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22844 + ... + 22847.

It is an arithmetic number, because the mean of its divisors is an integer number (34269).

2⁹¹³⁸² is an apocalyptic number.

91382 is a deficient number, since it is larger than the sum of its proper divisors (45694).

91382 is a wasteful number, since it uses less digits than its factorization.

91382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45693.

The product of its digits is 432, while the sum is 23.

The square root of 91382 is about 302.2945583367. The cubic root of 91382 is about 45.0422648184.

The spelling of 91382 in words is "ninety-one thousand, three hundred eighty-two".