3318 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.
It is a Curzon number.
It is a nialpdrome in base 15.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3318.
3318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
23318 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3318 is a wasteful number, since it uses less digits than its factorization.
3318 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91.
The square root of 3318 is about 57.6020832957. The cubic root of 3318 is about 14.9150756533.
Adding to 3318 its sum of digits (15), we get a palindrome (3333).
Multiplying 3318 by its sum of digits (15), we get a triangular number (49770 = T315).
The spelling of 3318 in words is "three thousand, three hundred eighteen".