8091636 has 24 divisors (see below), whose sum is σ = 21577920. Its totient is φ = 2311872.

The previous prime is 8091617. The next prime is 8091679. The reversal of 8091636 is 6361908.

8091636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8091597 and 8091606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48081 + ... + 48248.

It is an arithmetic number, because the mean of its divisors is an integer number (899080).

Almost surely, 2^8091636 is an apocalyptic number.

It is an amenable number.

8091636 is an abundant number, since it is smaller than the sum of its proper divisors (13486284).

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

8091636 is a wasteful number, since it uses less digits than its factorization.

8091636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96343 (or 96341 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 8091636 is about 2844.5801096120. The cubic root of 8091636 is about 200.7607360677.

The spelling of 8091636 in words is "eight million, ninety-one thousand, six hundred thirty-six".