91336032 has 96 divisors (see below), whose sum is σ = 270920160. Its totient is φ = 29928960.

The previous prime is 91336031. The next prime is 91336061. The reversal of 91336032 is 23063319.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 91335987 and 91336005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91336031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51838 + ... + 53570.

It is an arithmetic number, because the mean of its divisors is an integer number (2822085).

Almost surely, 2^91336032 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 91336032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135460080).

91336032 is an abundant number, since it is smaller than the sum of its proper divisors (179584128).

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

91336032 is a wasteful number, since it uses less digits than its factorization.

91336032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 91336032 is about 9556.9886470582. The cubic root of 91336032 is about 450.3471099638.

The spelling of 91336032 in words is "ninety-one million, three hundred thirty-six thousand, thirty-two".