216482 has 18 divisors (see below), whose sum is σ = 385947. Its totient is φ = 90804.

The previous prime is 216481. The next prime is 216493. The reversal of 216482 is 284612.

216482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 108241 + 108241 = 329^2 + 329^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=329.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (216481) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4583 + ... + 4629.

2²¹⁶⁴⁸² is an apocalyptic number.

216482 is a deficient number, since it is larger than the sum of its proper divisors (169465).

216482 is an equidigital number, since it uses as much as digits as its factorization.

216482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 56 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 216482 is about 465.2762620207. The cubic root of 216482 is about 60.0445964740.

The spelling of 216482 in words is "two hundred sixteen thousand, four hundred eighty-two".