91325828 has 12 divisors (see below), whose sum is σ = 174349392. Its totient is φ = 41511720.

The previous prime is 91325821. The next prime is 91325831. The reversal of 91325828 is 82852319.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 91325791 and 91325800.

It is not an unprimeable number, because it can be changed into a prime (91325821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1037750 + ... + 1037837.

It is an arithmetic number, because the mean of its divisors is an integer number (14529116).

Almost surely, 2^91325828 is an apocalyptic number.

It is an amenable number.

91325828 is a deficient number, since it is larger than the sum of its proper divisors (83023564).

91325828 is a wasteful number, since it uses less digits than its factorization.

91325828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075602 (or 2075600 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 91325828 is about 9556.4547819785. The cubic root of 91325828 is about 450.3303385139.

The spelling of 91325828 in words is "ninety-one million, three hundred twenty-five thousand, eight hundred twenty-eight".