It is a happy number.
1992 is nontrivially palindromic in base 11.
It is a plaindrome in base 15.
It is a nialpdrome in base 7 and base 13.
It is a zygodrome in base 7.
1992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
21992 is an apocalyptic number.
1992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1992 is a wasteful number, since it uses less digits than its factorization.
1992 is an evil number, because the sum of its binary digits is even.
The square root of 1992 is about 44.6318272088. The cubic root of 1992 is about 12.5823891031.
Subtracting from 1992 its product of digits (162), we obtain a triangular number (1830 = T60).
Subtracting 1992 from its reverse (2991), we obtain a palindrome (999).
The spelling of 1992 in words is "one thousand, nine hundred ninety-two".