849019 has 2 divisors, whose sum is σ = 849020. Its totient is φ = 849018.

The previous prime is 848993. The next prime is 849047. The reversal of 849019 is 910948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 849019 - 2¹⁵ = 816251 is a prime.

It is a super-2 number, since 2×849019² = 1441666524722, which contains 22 as substring.

It is a Chen prime.

849019 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (849049) 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 as a sum of consecutive naturals, namely, 424509 + 424510.

It is an arithmetic number, because the mean of its divisors is an integer number (424510).

2⁸⁴⁹⁰¹⁹ is an apocalyptic number.

849019 is a deficient number, since it is larger than the sum of its proper divisors (1).

849019 is an equidigital number, since it uses as much as digits as its factorization.

849019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 849019 is about 921.4222701889. The cubic root of 849019 is about 94.6903677239.

The spelling of 849019 in words is "eight hundred forty-nine thousand, nineteen".