849231 has 16 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 556920.

The previous prime is 849223. The next prime is 849241. The reversal of 849231 is 132948.

It is not a de Polignac number, because 849231 - 2³ = 849223 is a prime.

It is a super-2 number, since 2×849231² = 1442386582722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 849195 and 849204.

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 849231.

It is not an unprimeable number, because it can be changed into a prime (849221) 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, 1696 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (79920).

2⁸⁴⁹²³¹ is an apocalyptic number.

849231 is a deficient number, since it is larger than the sum of its proper divisors (429489).

849231 is a wasteful number, since it uses less digits than its factorization.

849231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 517 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 849231 is about 921.5373025548. The cubic root of 849231 is about 94.6982484612.

The spelling of 849231 in words is "eight hundred forty-nine thousand, two hundred thirty-one".