849539 has 2 divisors, whose sum is σ = 849540. Its totient is φ = 849538.

The previous prime is 849533. The next prime is 849571. The reversal of 849539 is 935948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849539 - 2⁴ = 849523 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849539.

It is not a weakly prime, because it can be changed into another prime (849533) 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 as a sum of consecutive naturals, namely, 424769 + 424770.

It is an arithmetic number, because the mean of its divisors is an integer number (424770).

2⁸⁴⁹⁵³⁹ is an apocalyptic number.

849539 is a deficient number, since it is larger than the sum of its proper divisors (1).

849539 is an equidigital number, since it uses as much as digits as its factorization.

849539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 849539 is about 921.7043994687. The cubic root of 849539 is about 94.7096954979.

The spelling of 849539 in words is "eight hundred forty-nine thousand, five hundred thirty-nine".