852685 has 4 divisors (see below), whose sum is σ = 1023228. Its totient is φ = 682144.

The previous prime is 852673. The next prime is 852689. The reversal of 852685 is 586258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586258 = 2 ⋅293129.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 499849 = 594^2 + 707^2 .

It is a cyclic number.

It is not a de Polignac number, because 852685 - 2⁷ = 852557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 852685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85264 + ... + 85273.

It is an arithmetic number, because the mean of its divisors is an integer number (255807).

2⁸⁵²⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

852685 is a deficient number, since it is larger than the sum of its proper divisors (170543).

852685 is a wasteful number, since it uses less digits than its factorization.

852685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170542.

The product of its digits is 19200, while the sum is 34.

The square root of 852685 is about 923.4094433132. The cubic root of 852685 is about 94.8264606535.

The spelling of 852685 in words is "eight hundred fifty-two thousand, six hundred eighty-five".