286085 has 8 divisors (see below), whose sum is σ = 355320. Its totient is φ = 220864.

The previous prime is 286073. The next prime is 286103. The reversal of 286085 is 580682.

It is a happy number.

286085 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 4 ways, for example, as 9409 + 276676 = 97^2 + 526^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 286085 - 2¹² = 281989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 286085.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (44415).

2²⁸⁶⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

286085 is a deficient number, since it is larger than the sum of its proper divisors (69235).

286085 is a wasteful number, since it uses less digits than its factorization.

286085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 286085 is about 534.8691428752. The cubic root of 286085 is about 65.8918491995.

The spelling of 286085 in words is "two hundred eighty-six thousand, eighty-five".