3780 divided by its sum of digits (18) gives a triangular number (210 = T20).
3780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a nialpdrome in base 16.
It is an unprimeable number.
3780 is a gapful number since it is divisible by the number (30) 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 3780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3780 is a wasteful number, since it uses less digits than its factorization.
3780 is an evil number, because the sum of its binary digits is even.
The square root of 3780 is about 61.4817045958. The cubic root of 3780 is about 15.5774823056.
The spelling of 3780 in words is "three thousand, seven hundred eighty".