It is a happy number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91392.
91392 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
291392 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 91392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
91392 is a wasteful number, since it uses less digits than its factorization.
91392 is an odious number, because the sum of its binary digits is odd.
The square root of 91392 is about 302.3110980431. The cubic root of 91392 is about 45.0439077613.
The spelling of 91392 in words is "ninety-one thousand, three hundred ninety-two".