Adding to 2184 its reverse (4812), we get a palindrome (6996).
Subtracting 2184 from its reverse (4812), we obtain a triangular number (2628 = T72).
2184 is nontrivially palindromic in base 15 and base 16.
2184 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.
It is a nude number because it is divisible by every one of its digits.
2184 is an undulating number in base 4 and base 15.
2184 is a nontrivial repdigit in base 16.
It is a plaindrome in base 16.
It is a nialpdrome in base 3, base 8, base 13, base 14 and base 16.
It is a zygodrome in base 16.
It is a congruent number.
It is an unprimeable number.
2184 is a gapful number since it is divisible by the number (24) 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 2184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2184 is a wasteful number, since it uses less digits than its factorization.
2184 is an odious number, because the sum of its binary digits is odd.
The square root of 2184 is about 46.7332857822. The cubic root of 2184 is about 12.9743082334.
The spelling of 2184 in words is "two thousand, one hundred eighty-four".