849085 has 4 divisors (see below), whose sum is σ = 1018908. Its totient is φ = 679264.

The previous prime is 849083. The next prime is 849097. The reversal of 849085 is 580948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412164 + 436921 = 642^2 + 661^2 .

It is a cyclic number.

It is not a de Polignac number, because 849085 - 2¹ = 849083 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 849085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84904 + ... + 84913.

It is an arithmetic number, because the mean of its divisors is an integer number (254727).

2⁸⁴⁹⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

849085 is a deficient number, since it is larger than the sum of its proper divisors (169823).

849085 is a wasteful number, since it uses less digits than its factorization.

849085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169822.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 849085 is about 921.4580836913. The cubic root of 849085 is about 94.6928213016.

The spelling of 849085 in words is "eight hundred forty-nine thousand, eighty-five".