208285 has 16 divisors (see below), whose sum is σ = 312192. Its totient is φ = 129600.

The previous prime is 208283. The next prime is 208291. The reversal of 208285 is 582802.

It is not a de Polignac number, because 208285 - 2¹ = 208283 is a prime.

It is a Duffinian number.

208285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (19512).

2²⁰⁸²⁸⁵ is an apocalyptic number.

It is an amenable number.

208285 is a deficient number, since it is larger than the sum of its proper divisors (103907).

208285 is a wasteful number, since it uses less digits than its factorization.

208285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 208285 is about 456.3825150025. The cubic root of 208285 is about 59.2769702800.

The spelling of 208285 in words is "two hundred eight thousand, two hundred eighty-five".