91112832 has 96 divisors (see below), whose sum is σ = 264537000. Its totient is φ = 30099456.

The previous prime is 91112803. The next prime is 91112849. The reversal of 91112832 is 23821119.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 91112796 and 91112805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159844 + ... + 160412.

Almost surely, 2^91112832 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 91112832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132268500).

91112832 is an abundant number, since it is smaller than the sum of its proper divisors (173424168).

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

91112832 is a wasteful number, since it uses less digits than its factorization.

91112832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 713 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 91112832 is about 9545.3041858288. The cubic root of 91112832 is about 449.9799694788.

The spelling of 91112832 in words is "ninety-one million, one hundred twelve thousand, eight hundred thirty-two".