7992 is nontrivially palindromic in base 11.
It is a plaindrome in base 15.
It is a zygodrome in base 2.
It is a congruent number.
7992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
27992 is an apocalyptic number.
7992 is a gapful number since it is divisible by the number (72) 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 7992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7992 is a wasteful number, since it uses less digits than its factorization.
7992 is an evil number, because the sum of its binary digits is even.
The square root of 7992 is about 89.3979865545. The cubic root of 7992 is about 19.9933311099.
The spelling of 7992 in words is "seven thousand, nine hundred ninety-two".