849285 has 28 divisors (see below), whose sum is σ = 1534572. Its totient is φ = 451008.

The previous prime is 849271. The next prime is 849301. The reversal of 849285 is 582948.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 613089 = 486^2 + 783^2 .

It is not a de Polignac number, because 849285 - 2⁵ = 849253 is a prime.

It is a super-2 number, since 2×849285² = 1442570022450, which contains 22 as substring.

Its product of digits (23040) is a multiple of the sum of its prime factors (256).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849285.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 3529 + ... + 3761.

2⁸⁴⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

849285 is a deficient number, since it is larger than the sum of its proper divisors (685287).

849285 is an equidigital number, since it uses as much as digits as its factorization.

849285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 241 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 849285 is about 921.5666009573. The cubic root of 849285 is about 94.7002556093.

The spelling of 849285 in words is "eight hundred forty-nine thousand, two hundred eighty-five".