839369 has 2 divisors, whose sum is σ = 839370. Its totient is φ = 839368.

The previous prime is 839353. The next prime is 839381. The reversal of 839369 is 963938.

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., 473344 + 366025 = 688^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 839369 - 2⁴ = 839353 is a prime.

It is a super-2 number, since 2×839369² = 1409080636322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 839369.

It is not a weakly prime, because it can be changed into another prime (839269) 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, 419684 + 419685.

It is an arithmetic number, because the mean of its divisors is an integer number (419685).

2⁸³⁹³⁶⁹ is an apocalyptic number.

It is an amenable number.

839369 is a deficient number, since it is larger than the sum of its proper divisors (1).

839369 is an equidigital number, since it uses as much as digits as its factorization.

839369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 839369 is about 916.1708355978. The cubic root of 839369 is about 94.3302477761.

The spelling of 839369 in words is "eight hundred thirty-nine thousand, three hundred sixty-nine".