91268 has 6 divisors (see below), whose sum is σ = 159726. Its totient is φ = 45632.

The previous prime is 91253. The next prime is 91283. The reversal of 91268 is 86219.

It is an interprime number because it is at equal distance from previous prime (91253) and next prime (91283).

It can be written as a sum of positive squares in only one way, i.e., 91204 + 64 = 302^2 + 8^2 .

It is an unprimeable number.

91268 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 as a sum of consecutive naturals, namely, 11405 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (26621).

2⁹¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

91268 is a deficient number, since it is larger than the sum of its proper divisors (68458).

91268 is a wasteful number, since it uses less digits than its factorization.

91268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22821 (or 22819 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 91268 is about 302.1059416827. The cubic root of 91268 is about 45.0235267923.

The spelling of 91268 in words is "ninety-one thousand, two hundred sixty-eight".