849829 has 2 divisors, whose sum is σ = 849830. Its totient is φ = 849828.

The previous prime is 849773. The next prime is 849833. The reversal of 849829 is 928948.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452929 + 396900 = 673^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 849829 - 2⁷ = 849701 is a prime.

It is a Chen prime.

849829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 849791 and 849800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849839) 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, 424914 + 424915.

It is an arithmetic number, because the mean of its divisors is an integer number (424915).

2⁸⁴⁹⁸²⁹ is an apocalyptic number.

It is an amenable number.

849829 is a deficient number, since it is larger than the sum of its proper divisors (1).

849829 is an equidigital number, since it uses as much as digits as its factorization.

849829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 849829 is about 921.8617032939. The cubic root of 849829 is about 94.7204710232.

The spelling of 849829 in words is "eight hundred forty-nine thousand, eight hundred twenty-nine".