91841112 has 96 divisors (see below), whose sum is σ = 275942160. Its totient is φ = 27360000.

The previous prime is 91841063. The next prime is 91841119. The reversal of 91841112 is 21114819.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91841119) 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 23 ways as a sum of consecutive naturals, for example, 47362 + ... + 49262.

Almost surely, 2^91841112 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 91841112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137971080).

91841112 is an abundant number, since it is smaller than the sum of its proper divisors (184101048).

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

91841112 is a wasteful number, since it uses less digits than its factorization.

91841112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1978 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 91841112 is about 9583.3768578722. The cubic root of 91841112 is about 451.1757107417.

It can be divided in two parts, 9184 and 1112, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 91841112 in words is "ninety-one million, eight hundred forty-one thousand, one hundred twelve".