18363828 has 36 divisors (see below), whose sum is σ = 49846272. Its totient is φ = 5246640.

The previous prime is 18363817. The next prime is 18363853. The reversal of 18363828 is 82836381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15028 + ... + 16203.

Almost surely, 2^18363828 is an apocalyptic number.

It is an amenable number.

18363828 is an abundant number, since it is smaller than the sum of its proper divisors (31482444).

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

18363828 is a wasteful number, since it uses less digits than its factorization.

18363828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31252 (or 31243 counting only the distinct ones).

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

The square root of 18363828 is about 4285.3037231916. The cubic root of 18363828 is about 263.8281135478.

It can be divided in two parts, 18363 and 828, that added together give a palindrome (19191).

The spelling of 18363828 in words is "eighteen million, three hundred sixty-three thousand, eight hundred twenty-eight".