91896320 has 40 divisors (see below), whose sum is σ = 220341924. Its totient is φ = 36757504.

The previous prime is 91896313. The next prime is 91896323. The reversal of 91896320 is 2369819.

It can be written as a sum of positive squares in 2 ways, for example, as 91853056 + 43264 = 9584^2 + 208^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (91896323) 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, 15389 + ... + 20508.

Almost surely, 2^91896320 is an apocalyptic number.

It is an amenable number.

91896320 is an abundant number, since it is smaller than the sum of its proper divisors (128445604).

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

91896320 is an equidigital number, since it uses as much as digits as its factorization.

91896320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35920 (or 35904 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 91896320 is about 9586.2568294408. The cubic root of 91896320 is about 451.2660969849.

The spelling of 91896320 in words is "ninety-one million, eight hundred ninety-six thousand, three hundred twenty".