91102896 has 60 divisors (see below), whose sum is σ = 260908648. Its totient is φ = 29659392.

The previous prime is 91102889. The next prime is 91102933. The reversal of 91102896 is 69820119.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 91102896.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165 + ... + 13548.

Almost surely, 2^91102896 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 91102896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130454324).

91102896 is an abundant number, since it is smaller than the sum of its proper divisors (169805752).

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

91102896 is a wasteful number, since it uses less digits than its factorization.

91102896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14770 (or 14761 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 91102896 is about 9544.7837062974. The cubic root of 91102896 is about 449.9636118725.

The spelling of 91102896 in words is "ninety-one million, one hundred two thousand, eight hundred ninety-six".