18032828 has 48 divisors (see below), whose sum is σ = 36481536. Its totient is φ = 7719360.

The previous prime is 18032821. The next prime is 18032831. The reversal of 18032828 is 82823081.

It is a junction number, because it is equal to n+sod(n) for n = 18032794 and 18032803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18032821) 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 15 ways as a sum of consecutive naturals, for example, 104150 + ... + 104322.

It is an arithmetic number, because the mean of its divisors is an integer number (760032).

Almost surely, 2^18032828 is an apocalyptic number.

It is an amenable number.

18032828 is an abundant number, since it is smaller than the sum of its proper divisors (18448708).

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

18032828 is a wasteful number, since it uses less digits than its factorization.

18032828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18032828 is about 4246.5077416626. The cubic root of 18032828 is about 262.2333643270.

It can be divided in two parts, 18032 and 828, that multiplied together give a square (14930496 = 3864²).

The spelling of 18032828 in words is "eighteen million, thirty-two thousand, eight hundred twenty-eight".