18286828 has 24 divisors (see below), whose sum is σ = 36956192. Its totient is φ = 7755264.

The previous prime is 18286823. The next prime is 18286837. The reversal of 18286828 is 82868281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18286823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 651 + ... + 6082.

Almost surely, 2^18286828 is an apocalyptic number.

It is an amenable number.

18286828 is an abundant number, since it is smaller than the sum of its proper divisors (18669364).

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

18286828 is a wasteful number, since it uses less digits than its factorization.

18286828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841 (or 6839 counting only the distinct ones).

The product of its digits is 98304, while the sum is 43.

The square root of 18286828 is about 4276.3100916561. The cubic root of 18286828 is about 263.4588509497.

The spelling of 18286828 in words is "eighteen million, two hundred eighty-six thousand, eight hundred twenty-eight".