18330048 has 126 divisors (see below), whose sum is σ = 57969912. Its totient is φ = 5533440.

The previous prime is 18330031. The next prime is 18330071. The reversal of 18330048 is 84003381.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 69565 + ... + 69827.

Almost surely, 2^18330048 is an apocalyptic number.

18330048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18330048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28984956).

18330048 is an abundant number, since it is smaller than the sum of its proper divisors (39639864).

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

18330048 is a wasteful number, since it uses less digits than its factorization.

18330048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18330048 is about 4281.3605314199. The cubic root of 18330048 is about 263.6662449033. Note that the first 3 decimals are identical.

The spelling of 18330048 in words is "eighteen million, three hundred thirty thousand, forty-eight".