849867 has 4 divisors (see below), whose sum is σ = 1133160. Its totient is φ = 566576.

The previous prime is 849857. The next prime is 849869. The reversal of 849867 is 768948.

It is a happy number.

849867 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 849867 - 2¹⁰ = 848843 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849867.

It is not an unprimeable number, because it can be changed into a prime (849869) 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, 141642 + ... + 141647.

It is an arithmetic number, because the mean of its divisors is an integer number (283290).

2⁸⁴⁹⁸⁶⁷ is an apocalyptic number.

849867 is a deficient number, since it is larger than the sum of its proper divisors (283293).

849867 is a wasteful number, since it uses less digits than its factorization.

849867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283292.

The product of its digits is 96768, while the sum is 42.

The square root of 849867 is about 921.8823135303. The cubic root of 849867 is about 94.7218828069.

It can be divided in two parts, 84 and 9867, that multiplied together give a palindrome (828828).

The spelling of 849867 in words is "eight hundred forty-nine thousand, eight hundred sixty-seven".