849287 has 4 divisors (see below), whose sum is σ = 851136. Its totient is φ = 847440.

The previous prime is 849271. The next prime is 849301. The reversal of 849287 is 782948.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 849287 - 2⁴ = 849271 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 849287.

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 849287.

It is not an unprimeable number, because it can be changed into a prime (849217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (212784).

2⁸⁴⁹²⁸⁷ is an apocalyptic number.

849287 is a deficient number, since it is larger than the sum of its proper divisors (1849).

849287 is an equidigital number, since it uses as much as digits as its factorization.

849287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

The product of its digits is 32256, while the sum is 38.

The square root of 849287 is about 921.5676860654. The cubic root of 849287 is about 94.7003299465.

The spelling of 849287 in words is "eight hundred forty-nine thousand, two hundred eighty-seven".