Adding to 3186 its reverse (6813), we get a palindrome (9999).
3186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a plaindrome in base 14.
It is a nialpdrome in base 9 and base 16.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3186.
3186 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
23186 is an apocalyptic number.
3186 is the 36-th heptagonal number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3186 is a wasteful number, since it uses less digits than its factorization.
3186 is an evil number, because the sum of its binary digits is even.
The square root of 3186 is about 56.4446631667. Note that the first 3 decimals coincide. The cubic root of 3186 is about 14.7146043946.
The spelling of 3186 in words is "three thousand, one hundred eighty-six".