18382836 has 24 divisors (see below), whose sum is σ = 42999264. Its totient is φ = 6112480.

The previous prime is 18382829. The next prime is 18382841. The reversal of 18382836 is 63828381.

It is a junction number, because it is equal to n+sod(n) for n = 18382794 and 18382803.

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, 3871 + ... + 7193.

It is an arithmetic number, because the mean of its divisors is an integer number (1791636).

Almost surely, 2^18382836 is an apocalyptic number.

It is an amenable number.

18382836 is an abundant number, since it is smaller than the sum of its proper divisors (24616428).

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

18382836 is a wasteful number, since it uses less digits than its factorization.

18382836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791 (or 3789 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 18382836 is about 4287.5209620479. The cubic root of 18382836 is about 263.9191097446.

The spelling of 18382836 in words is "eighteen million, three hundred eighty-two thousand, eight hundred thirty-six".