208085 has 4 divisors (see below), whose sum is σ = 249708. Its totient is φ = 166464.

The previous prime is 208073. The next prime is 208099. The reversal of 208085 is 580802.

208085 = T₂₈₆ + T₂₈₇ + ... + T₂₉₀.

208085 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 165649 + 42436 = 407^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 208085 - 2¹⁰ = 207061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208085.

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 208085.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20804 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (62427).

2²⁰⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

208085 is a deficient number, since it is larger than the sum of its proper divisors (41623).

208085 is an equidigital number, since it uses as much as digits as its factorization.

208085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41622.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 208085 is about 456.1633479358. The cubic root of 208085 is about 59.2579911717.

Adding to 208085 its reverse (580802), we get a palindrome (788887).

The spelling of 208085 in words is "two hundred eight thousand, eighty-five".