91082 has 4 divisors (see below), whose sum is σ = 136626.
Its totient is φ = 45540.
The previous prime is 91081. The next prime is 91097. The reversal of 91082 is 28019.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 89401 + 1681 = 299^2 + 41^2
It is not an unprimeable number, because it can be changed into a prime (91081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22769 + ... + 22772.
291082 is an apocalyptic number.
91082 is a deficient number, since it is larger than the sum of its proper divisors (45544).
91082 is a wasteful number, since it uses less digits than its factorization.
91082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45543.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 91082 is about 301.7979456524.
The cubic root of 91082 is about 44.9929206971.
The spelling of 91082 in words is "ninety-one thousand, eighty-two".