Adding to 24318 its sum of digits (18), we get a square (24336 = 1562).
It is a happy number.
It is an Ulam number.
It is a self number, because there is not a number n which added to its sum of digits gives 24318.
It is a congruent number.
224318 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 24318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24318 is a wasteful number, since it uses less digits than its factorization.
24318 is an evil number, because the sum of its binary digits is even.
The square root of 24318 is about 155.9422970204. The cubic root of 24318 is about 28.9718315462.
The spelling of 24318 in words is "twenty-four thousand, three hundred eighteen".