18282024 has 80 divisors (see below), whose sum is σ = 51945300. Its totient is φ = 6006528.

The previous prime is 18282007. The next prime is 18282029. The reversal of 18282024 is 42028281.

It can be written as a sum of positive squares in 2 ways, for example, as 14976900 + 3305124 = 3870^2 + 1818^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (18282029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57514 + ... + 57830.

Almost surely, 2^18282024 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 18282024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25972650).

18282024 is an abundant number, since it is smaller than the sum of its proper divisors (33663276).

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

18282024 is a wasteful number, since it uses less digits than its factorization.

18282024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 18282024 is about 4275.7483555513. The cubic root of 18282024 is about 263.4357784743.

The spelling of 18282024 in words is "eighteen million, two hundred eighty-two thousand, twenty-four".