849189 has 8 divisors (see below), whose sum is σ = 1235232. Its totient is φ = 514640.

The previous prime is 849179. The next prime is 849197. The reversal of 849189 is 981948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 849189 - 2⁷ = 849061 is a prime.

It is a super-2 number, since 2×849189² = 1442243915442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12834 + ... + 12899.

It is an arithmetic number, because the mean of its divisors is an integer number (154404).

2⁸⁴⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

849189 is a deficient number, since it is larger than the sum of its proper divisors (386043).

849189 is a wasteful number, since it uses less digits than its factorization.

849189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747.

The product of its digits is 20736, while the sum is 39.

The square root of 849189 is about 921.5145142644. The cubic root of 849189 is about 94.6966872873.

It can be divided in two parts, 849 and 189, that multiplied together give a triangular number (160461 = T₅₆₆).

The spelling of 849189 in words is "eight hundred forty-nine thousand, one hundred eighty-nine".