91685852 has 24 divisors (see below), whose sum is σ = 166079760. Its totient is φ = 44254080.

The previous prime is 91685837. The next prime is 91685863. The reversal of 91685852 is 25858619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17024 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (6919990).

Almost surely, 2^91685852 is an apocalyptic number.

It is an amenable number.

91685852 is a deficient number, since it is larger than the sum of its proper divisors (74393908).

91685852 is a wasteful number, since it uses less digits than its factorization.

91685852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901 (or 4899 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 91685852 is about 9575.2729465013. The cubic root of 91685852 is about 450.9213255685.

It can be divided in two parts, 916 and 85852, that added together give a palindrome (86768).

The spelling of 91685852 in words is "ninety-one million, six hundred eighty-five thousand, eight hundred fifty-two".