849049 has 2 divisors, whose sum is σ = 849050. Its totient is φ = 849048.

The previous prime is 849047. The next prime is 849061. The reversal of 849049 is 940948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435600 + 413449 = 660^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 849049 - 2¹ = 849047 is a prime.

Together with 849047, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (849047) 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, 424524 + 424525.

It is an arithmetic number, because the mean of its divisors is an integer number (424525).

2⁸⁴⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

849049 is a deficient number, since it is larger than the sum of its proper divisors (1).

849049 is an equidigital number, since it uses as much as digits as its factorization.

849049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 849049 is about 921.4385492262. The cubic root of 849049 is about 94.6914830022.

The spelling of 849049 in words is "eight hundred forty-nine thousand, forty-nine".