91485328 has 20 divisors (see below), whose sum is σ = 193367088. Its totient is φ = 41584160.

The previous prime is 91485319. The next prime is 91485377. The reversal of 91485328 is 82358419.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259726 + ... + 260077.

Almost surely, 2^91485328 is an apocalyptic number.

It is an amenable number.

91485328 is an abundant number, since it is smaller than the sum of its proper divisors (101881760).

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

91485328 is a wasteful number, since it uses less digits than its factorization.

91485328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519822 (or 519816 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 91485328 is about 9564.7962863827. The cubic root of 91485328 is about 450.5923524317.

The spelling of 91485328 in words is "ninety-one million, four hundred eighty-five thousand, three hundred twenty-eight".