Adding to 24000 its reverse (42), we get a palindrome (24042).
It is an ABA number since it can be written as A⋅BA, here for A=3, B=20.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a self number, because there is not a number n which added to its sum of digits gives 24000.
It is a congruent number.
24000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
224000 is an apocalyptic number.
24000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 24000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
24000 is an equidigital number, since it uses as much as digits as its factorization.
24000 is an odious number, because the sum of its binary digits is odd.
The square root of 24000 is about 154.9193338483. The cubic root of 24000 is about 28.8449914061.
The spelling of 24000 in words is "twenty-four thousand", and thus it is an iban number.