It is an Ulam number.
1968 is an undulating number in base 9.
It is a nialpdrome in base 7 and base 13.
It is a zygodrome in base 7.
It is an unprimeable number.
21968 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 1968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968 is a wasteful number, since it uses less digits than its factorization.
1968 is an evil number, because the sum of its binary digits is even.
The square root of 1968 is about 44.3621460256. The cubic root of 1968 is about 12.5316531121.
The spelling of 1968 in words is "one thousand, nine hundred sixty-eight".