It is an ABA number since it can be written as A⋅BA, here for A=6, B=3.
It is a plaindrome in base 5, base 15 and base 16.
It is a nialpdrome in base 3 and base 9.
It is a zygodrome in base 5.
It is a congruent number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4374 is an frugal number, since it uses more digits than its factorization.
4374 is an odious number, because the sum of its binary digits is odd.
The square root of 4374 is about 66.1362230551. The cubic root of 4374 is about 16.3540853355.
Subtracting from 4374 its sum of digits (18), we obtain a square (4356 = 662).
4374 divided by its sum of digits (18) gives a 5-th power (243 = 35).
The spelling of 4374 in words is "four thousand, three hundred seventy-four", and thus it is an iban number.