18363882 has 16 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 6113952.

The previous prime is 18363869. The next prime is 18363883. The reversal of 18363882 is 28836381.

It is a self number, because there is not a number n which added to its sum of digits gives 18363882.

It is not an unprimeable number, because it can be changed into a prime (18363883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6478 + ... + 8870.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^18363882 is an apocalyptic number.

18363882 is an abundant number, since it is smaller than the sum of its proper divisors (18407958).

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

18363882 is a wasteful number, since it uses less digits than its factorization.

18363882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677.

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

The square root of 18363882 is about 4285.3100237906. The cubic root of 18363882 is about 263.8283721486.

The spelling of 18363882 in words is "eighteen million, three hundred sixty-three thousand, eight hundred eighty-two".