985833 has 6 divisors (see below), whose sum is σ = 1423994. Its totient is φ = 657216.

The previous prime is 985819. The next prime is 985867. The reversal of 985833 is 338589.

It can be written as a sum of positive squares in only one way, i.e., 974169 + 11664 = 987^2 + 108^2 .

It is a de Polignac number, because none of the positive numbers 2^k-985833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985833.

It is not an unprimeable number, because it can be changed into a prime (985433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54760 + ... + 54777.

2⁹⁸⁵⁸³³ is an apocalyptic number.

It is an amenable number.

985833 is a deficient number, since it is larger than the sum of its proper divisors (438161).

985833 is a wasteful number, since it uses less digits than its factorization.

985833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109543 (or 109540 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 985833 is about 992.8912327138. The cubic root of 985833 is about 99.5255189043.

Adding to 985833 its product of digits (25920), we get a triangular number (1011753 = T₁₄₂₂).

The spelling of 985833 in words is "nine hundred eighty-five thousand, eight hundred thirty-three".