18248032 has 48 divisors (see below), whose sum is σ = 40061952. Its totient is φ = 8110720.

The previous prime is 18248023. The next prime is 18248033. The reversal of 18248032 is 23084281.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18248033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15993 + ... + 17095.

It is an arithmetic number, because the mean of its divisors is an integer number (834624).

Almost surely, 2^18248032 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 18248032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20030976).

18248032 is an abundant number, since it is smaller than the sum of its proper divisors (21813920).

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

18248032 is a wasteful number, since it uses less digits than its factorization.

18248032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 18248032 is about 4271.7715294711. The cubic root of 18248032 is about 263.2724073474.

The spelling of 18248032 in words is "eighteen million, two hundred forty-eight thousand, thirty-two".