91810852 has 12 divisors (see below), whose sum is σ = 183621760. Its totient is φ = 39347496.

The previous prime is 91810847. The next prime is 91810853. The reversal of 91810852 is 25801819.

91810852 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (91810853) 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 3 ways as a sum of consecutive naturals, for example, 1639452 + ... + 1639507.

Almost surely, 2^91810852 is an apocalyptic number.

It is an amenable number.

91810852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91810852 is a wasteful number, since it uses less digits than its factorization.

91810852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278970 (or 3278968 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 91810852 is about 9581.7979523678. The cubic root of 91810852 is about 451.1261538624.

The spelling of 91810852 in words is "ninety-one million, eight hundred ten thousand, eight hundred fifty-two".