91105852 has 12 divisors (see below), whose sum is σ = 166367376. Its totient is φ = 43572320.

The previous prime is 91105823. The next prime is 91105897. The reversal of 91105852 is 25850119.

91105852 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

91105852 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495049 + ... + 495232.

It is an arithmetic number, because the mean of its divisors is an integer number (13863948).

Almost surely, 2^91105852 is an apocalyptic number.

91105852 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

91105852 is a deficient number, since it is larger than the sum of its proper divisors (75261524).

91105852 is a wasteful number, since it uses less digits than its factorization.

91105852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990308 (or 990306 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 91105852 is about 9544.9385540191. The cubic root of 91105852 is about 449.9684784505.

The spelling of 91105852 in words is "ninety-one million, one hundred five thousand, eight hundred fifty-two".