849844 has 6 divisors (see below), whose sum is σ = 1487234. Its totient is φ = 424920.

The previous prime is 849839. The next prime is 849857. The reversal of 849844 is 448948.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 345744 = 710^2 + 588^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 106227 + ... + 106234.

2⁸⁴⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

849844 is a deficient number, since it is larger than the sum of its proper divisors (637390).

849844 is a wasteful number, since it uses less digits than its factorization.

849844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212465 (or 212463 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 849844 is about 921.8698389686. The cubic root of 849844 is about 94.7210283113.

The spelling of 849844 in words is "eight hundred forty-nine thousand, eight hundred forty-four".