838039 has 2 divisors, whose sum is σ = 838040. Its totient is φ = 838038.

The previous prime is 838037. The next prime is 838043. The reversal of 838039 is 930838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838039 - 2¹ = 838037 is a prime.

Together with 838037, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 838039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838037) 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, 419019 + 419020.

It is an arithmetic number, because the mean of its divisors is an integer number (419020).

2⁸³⁸⁰³⁹ is an apocalyptic number.

838039 is a deficient number, since it is larger than the sum of its proper divisors (1).

838039 is an equidigital number, since it uses as much as digits as its factorization.

838039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 838039 is about 915.4447006783. Note that the first 3 decimals coincide. The cubic root of 838039 is about 94.2803986028.

The spelling of 838039 in words is "eight hundred thirty-eight thousand, thirty-nine".