18258848 has 48 divisors (see below), whose sum is σ = 38556000. Its totient is φ = 8485632.

The previous prime is 18258839. The next prime is 18258859. The reversal of 18258848 is 84885281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18258799 and 18258808.

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, 35618 + ... + 36126.

It is an arithmetic number, because the mean of its divisors is an integer number (803250).

Almost surely, 2^18258848 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 18258848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19278000).

18258848 is an abundant number, since it is smaller than the sum of its proper divisors (20297152).

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

18258848 is a wasteful number, since it uses less digits than its factorization.

18258848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 589 counting only the distinct ones).

The product of its digits is 163840, while the sum is 44.

The square root of 18258848 is about 4273.0373272416. The cubic root of 18258848 is about 263.3244128083.

The spelling of 18258848 in words is "eighteen million, two hundred fifty-eight thousand, eight hundred forty-eight".