91452192 has 96 divisors (see below), whose sum is σ = 261015552. Its totient is φ = 27869184.

The previous prime is 91452191. The next prime is 91452203. The reversal of 91452192 is 29125419.

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

It is not an unprimeable number, because it can be changed into a prime (91452191) 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, 158208 + ... + 158784.

It is an arithmetic number, because the mean of its divisors is an integer number (2718912).

Almost surely, 2^91452192 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 91452192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130507776).

91452192 is an abundant number, since it is smaller than the sum of its proper divisors (169563360).

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

91452192 is a wasteful number, since it uses less digits than its factorization.

91452192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 722 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 91452192 is about 9563.0639441551. The cubic root of 91452192 is about 450.5379443223.

The spelling of 91452192 in words is "ninety-one million, four hundred fifty-two thousand, one hundred ninety-two".