18828208 has 20 divisors (see below), whose sum is σ = 41691280. Its totient is φ = 8069184.

The previous prime is 18828203. The next prime is 18828239. The reversal of 18828208 is 80282881.

It is not an unprimeable number, because it can be changed into a prime (18828203) 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 3 ways as a sum of consecutive naturals, for example, 83943 + ... + 84166.

It is an arithmetic number, because the mean of its divisors is an integer number (2084564).

Almost surely, 2^18828208 is an apocalyptic number.

It is an amenable number.

18828208 is an abundant number, since it is smaller than the sum of its proper divisors (22863072).

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

18828208 is a wasteful number, since it uses less digits than its factorization.

18828208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168124 (or 168118 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

The square root of 18828208 is about 4339.1483035269. The cubic root of 18828208 is about 266.0335005954.

The spelling of 18828208 in words is "eighteen million, eight hundred twenty-eight thousand, two hundred eight".