849259 has 4 divisors (see below), whose sum is σ = 857304. Its totient is φ = 841216.

The previous prime is 849253. The next prime is 849271. The reversal of 849259 is 952948.

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 849259 - 2⁷ = 849131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849253) 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 3 ways as a sum of consecutive naturals, for example, 3862 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (214326).

2⁸⁴⁹²⁵⁹ is an apocalyptic number.

849259 is a deficient number, since it is larger than the sum of its proper divisors (8045).

849259 is a wasteful number, since it uses less digits than its factorization.

849259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044.

The product of its digits is 25920, while the sum is 37.

The square root of 849259 is about 921.5524944353. The cubic root of 849259 is about 94.6992892153.

The spelling of 849259 in words is "eight hundred forty-nine thousand, two hundred fifty-nine".