500085 has 12 divisors (see below), whose sum is σ = 866892. Its totient is φ = 266688.

The previous prime is 500083. The next prime is 500107. The reversal of 500085 is 580005.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 439569 = 246^2 + 663^2 .

It is not a de Polignac number, because 500085 - 2¹ = 500083 is a prime.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

500085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500083) 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 11 ways as a sum of consecutive naturals, for example, 5512 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (72241).

2⁵⁰⁰⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

500085 is a deficient number, since it is larger than the sum of its proper divisors (366807).

500085 is a wasteful number, since it uses less digits than its factorization.

500085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11124 (or 11121 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 500085 is about 707.1668827087. The cubic root of 500085 is about 79.3745499799.

The spelling of 500085 in words is "five hundred thousand, eighty-five".