18132828 has 48 divisors (see below), whose sum is σ = 48733440. Its totient is φ = 5140224.

The previous prime is 18132823. The next prime is 18132847. The reversal of 18132828 is 82823181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18132823) 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 15 ways as a sum of consecutive naturals, for example, 10900 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (1015280).

Almost surely, 2^18132828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18132828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24366720).

18132828 is an abundant number, since it is smaller than the sum of its proper divisors (30600612).

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

18132828 is a wasteful number, since it uses less digits than its factorization.

18132828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1704 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 18132828 is about 4258.2658442141. The cubic root of 18132828 is about 262.7172043527.

The spelling of 18132828 in words is "eighteen million, one hundred thirty-two thousand, eight hundred twenty-eight".