18765282 has 16 divisors (see below), whose sum is σ = 37577952. Its totient is φ = 6247200.

The previous prime is 18765281. The next prime is 18765311. The reversal of 18765282 is 28256781.

It is a self number, because there is not a number n which added to its sum of digits gives 18765282.

It is not an unprimeable number, because it can be changed into a prime (18765281) 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 7 ways as a sum of consecutive naturals, for example, 5157 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (2348622).

Almost surely, 2^18765282 is an apocalyptic number.

18765282 is an abundant number, since it is smaller than the sum of its proper divisors (18812670).

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

18765282 is a wasteful number, since it uses less digits than its factorization.

18765282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953.

The product of its digits is 53760, while the sum is 39.

The square root of 18765282 is about 4331.8912728738. The cubic root of 18765282 is about 265.7367984658.

The spelling of 18765282 in words is "eighteen million, seven hundred sixty-five thousand, two hundred eighty-two".