91796928 has 56 divisors (see below), whose sum is σ = 244327680. Its totient is φ = 30416640.

The previous prime is 91796917. The next prime is 91796951. The reversal of 91796928 is 82969719.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33033 + ... + 35703.

Almost surely, 2^91796928 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 91796928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122163840).

91796928 is an abundant number, since it is smaller than the sum of its proper divisors (152530752).

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

91796928 is a wasteful number, since it uses less digits than its factorization.

91796928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2855 counting only the distinct ones).

The product of its digits is 489888, while the sum is 51.

The square root of 91796928 is about 9581.0713388431. The cubic root of 91796928 is about 451.1033468339.

The spelling of 91796928 in words is "ninety-one million, seven hundred ninety-six thousand, nine hundred twenty-eight".