91411848 has 128 divisors (see below), whose sum is σ = 281088000. Its totient is φ = 27293760.

The previous prime is 91411847. The next prime is 91411871. The reversal of 91411848 is 84811419.

It is a super-2 number, since 2×91411848² = 16712251909550208, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (91411843) 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 31 ways as a sum of consecutive naturals, for example, 187461 + ... + 187947.

It is an arithmetic number, because the mean of its divisors is an integer number (2196000).

Almost surely, 2^91411848 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 91411848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140544000).

91411848 is an abundant number, since it is smaller than the sum of its proper divisors (189676152).

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

91411848 is a wasteful number, since it uses less digits than its factorization.

91411848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 582 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 91411848 is about 9560.9543456707. The cubic root of 91411848 is about 450.4716831938.

The spelling of 91411848 in words is "ninety-one million, four hundred eleven thousand, eight hundred forty-eight".