853085 has 8 divisors (see below), whose sum is σ = 1040856. Its totient is φ = 671040.

The previous prime is 853079. The next prime is 853091. The reversal of 853085 is 580358.

It is an interprime number because it is at equal distance from previous prime (853079) and next prime (853091).

It can be written as a sum of positive squares in 4 ways, for example, as 17689 + 835396 = 133^2 + 914^2 .

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

It is not a de Polignac number, because 853085 - 2⁸ = 852829 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1094 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (130107).

2⁸⁵³⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

853085 is a deficient number, since it is larger than the sum of its proper divisors (187771).

853085 is a wasteful number, since it uses less digits than its factorization.

853085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 853085 is about 923.6260065633. The cubic root of 853085 is about 94.8412862357.

The spelling of 853085 in words is "eight hundred fifty-three thousand, eighty-five".