985853 has 16 divisors (see below), whose sum is σ = 1166400. Its totient is φ = 823680.

The previous prime is 985819. The next prime is 985867. The reversal of 985853 is 358589.

It is not a de Polignac number, because 985853 - 2⁸ = 985597 is a prime.

It is a super-2 number, since 2×985853² = 1943812275218, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985253) 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 15 ways as a sum of consecutive naturals, for example, 11033 + ... + 11121.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2⁹⁸⁵⁸⁵³ is an apocalyptic number.

It is an amenable number.

985853 is a deficient number, since it is larger than the sum of its proper divisors (180547).

985853 is a wasteful number, since it uses less digits than its factorization.

985853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 43200, while the sum is 38.

The square root of 985853 is about 992.9013042594. The cubic root of 985853 is about 99.5261919381.

Subtracting from 985853 its reverse (358589), we obtain a square (627264 = 792²).

The spelling of 985853 in words is "nine hundred eighty-five thousand, eight hundred fifty-three".