3784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a plaindrome in base 12.
It is a nialpdrome in base 8 and base 16.
It is an unprimeable number.
3784 is a Friedman number, since it can be written as 473*8, using all its digits and the basic arithmetic operations.
23784 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3784 is a wasteful number, since it uses less digits than its factorization.
3784 is an evil number, because the sum of its binary digits is even.
The square root of 3784 is about 61.5142259969. The cubic root of 3784 is about 15.5829750713.
Subtracting 3784 from its reverse (4873), we obtain a square (1089 = 332).
The spelling of 3784 in words is "three thousand, seven hundred eighty-four".