3630 is nontrivially palindromic in base 16.
It is an Ulam number.
It is an alternating number because its digits alternate between odd and even.
3630 is an undulating number in base 16.
It is a congruent number.
3630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
23630 is an apocalyptic number.
3630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3630 is a wasteful number, since it uses less digits than its factorization.
3630 is an odious number, because the sum of its binary digits is odd.
The square root of 3630 is about 60.2494813256. The cubic root of 3630 is about 15.3686436810.
Adding to 3630 its reverse (363), we get a palindrome (3993).
The spelling of 3630 in words is "three thousand, six hundred thirty".