91896 has 32 divisors (see below), whose sum is σ = 263040. Its totient is φ = 26208.

The previous prime is 91873. The next prime is 91909. The reversal of 91896 is 69819.

It is a happy number.

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, 106 + ... + 441.

It is an arithmetic number, because the mean of its divisors is an integer number (8220).

2⁹¹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

91896 is an abundant number, since it is smaller than the sum of its proper divisors (171144).

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 (131520).

91896 is a wasteful number, since it uses less digits than its factorization.

91896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 559 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 91896 is about 303.1435303614. The cubic root of 91896 is about 45.1265573187.

The spelling of 91896 in words is "ninety-one thousand, eight hundred ninety-six".