18830912 has 28 divisors (see below), whose sum is σ = 38008560. Its totient is φ = 9254016.

The previous prime is 18830897. The next prime is 18830939. The reversal of 18830912 is 21903881.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1283 + ... + 6269.

Almost surely, 2^18830912 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 18830912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19004280).

18830912 is an abundant number, since it is smaller than the sum of its proper divisors (19177648).

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

18830912 is an equidigital number, since it uses as much as digits as its factorization.

18830912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5048 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 18830912 is about 4339.4598742240. The cubic root of 18830912 is about 266.0462353911.

The spelling of 18830912 in words is "eighteen million, eight hundred thirty thousand, nine hundred twelve".