91093248 has 180 divisors, whose sum is σ = 284917248. Its totient is φ = 28892160.

The previous prime is 91093243. The next prime is 91093291. The reversal of 91093248 is 84239019.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (91093243) 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 19 ways as a sum of consecutive naturals, for example, 476833 + ... + 477023.

Almost surely, 2^91093248 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 91093248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142458624).

91093248 is an abundant number, since it is smaller than the sum of its proper divisors (193824000).

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

91093248 is a wasteful number, since it uses less digits than its factorization.

91093248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 91093248 is about 9544.2782859680. The cubic root of 91093248 is about 449.9477272615.

The spelling of 91093248 in words is "ninety-one million, ninety-three thousand, two hundred forty-eight".