808085 has 8 divisors (see below), whose sum is σ = 1003320. Its totient is φ = 624064.

The previous prime is 808081. The next prime is 808097. The reversal of 808085 is 580808.

808085 = 518² + 519² + 520².

It can be written as a sum of positive squares in 4 ways, for example, as 1681 + 806404 = 41^2 + 898^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 808085 - 2² = 808081 is a prime.

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

It is a Curzon number.

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 808085.

It is not an unprimeable number, because it can be changed into a prime (808081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (125415).

2⁸⁰⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

808085 is a deficient number, since it is larger than the sum of its proper divisors (195235).

808085 is a wasteful number, since it uses less digits than its factorization.

808085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 808085 is about 898.9354815558. The cubic root of 808085 is about 93.1434560961.

The spelling of 808085 in words is "eight hundred eight thousand, eighty-five".