18528828 has 24 divisors (see below), whose sum is σ = 43312080. Its totient is φ = 6165120.

The previous prime is 18528751. The next prime is 18528833. The reversal of 18528828 is 82882581.

18528828 is a nontrivial binomial coefficient, being equal to C(6088, 2).

It is a self number, because there is not a number n which added to its sum of digits gives 18528828.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8118 + ... + 10146.

It is an arithmetic number, because the mean of its divisors is an integer number (1804670).

Almost surely, 2^18528828 is an apocalyptic number.

18528828 is the 6087-th triangular number and also the 3044-th hexagonal number.

It is an amenable number.

18528828 is an abundant number, since it is smaller than the sum of its proper divisors (24783252).

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

18528828 is a wasteful number, since it uses less digits than its factorization.

18528828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2795 counting only the distinct ones).

The product of its digits is 81920, while the sum is 42.

The square root of 18528828 is about 4304.5125159535. The cubic root of 18528828 is about 264.6159287320.

The spelling of 18528828 in words is "eighteen million, five hundred twenty-eight thousand, eight hundred twenty-eight".