216082 has 4 divisors (see below), whose sum is σ = 324126. Its totient is φ = 108040.

The previous prime is 216071. The next prime is 216091. The reversal of 216082 is 280612.

It is a happy number.

216082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 184041 + 32041 = 429^2 + 179^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54019 + ... + 54022.

216082 is a Friedman number, since it can be written as 82+60^(2+1), using all its digits and the basic arithmetic operations.

2²¹⁶⁰⁸² is an apocalyptic number.

216082 is a deficient number, since it is larger than the sum of its proper divisors (108044).

216082 is a wasteful number, since it uses less digits than its factorization.

216082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108043.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 216082 is about 464.8462111279. The cubic root of 216082 is about 60.0075916320.

Adding to 216082 its reverse (280612), we get a palindrome (496694).

The spelling of 216082 in words is "two hundred sixteen thousand, eighty-two".