18325248 has 72 divisors (see below), whose sum is σ = 49448448. Its totient is φ = 6024192.

The previous prime is 18325213. The next prime is 18325261. The reversal of 18325248 is 84252381.

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 7 ways as a sum of consecutive naturals, for example, 82065 + ... + 82287.

It is an arithmetic number, because the mean of its divisors is an integer number (686784).

Almost surely, 2^18325248 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 18325248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24724224).

18325248 is an abundant number, since it is smaller than the sum of its proper divisors (31123200).

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

18325248 is a wasteful number, since it uses less digits than its factorization.

18325248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 335 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 18325248 is about 4280.7999252476. The cubic root of 18325248 is about 263.6432278975.

The spelling of 18325248 in words is "eighteen million, three hundred twenty-five thousand, two hundred forty-eight".