838901339 has 2 divisors, whose sum is σ = 838901340. Its totient is φ = 838901338.

The previous prime is 838901321. The next prime is 838901347. The reversal of 838901339 is 933109838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-838901339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838901339.

It is not a weakly prime, because it can be changed into another prime (838901359) 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, 419450669 + 419450670.

It is an arithmetic number, because the mean of its divisors is an integer number (419450670).

Almost surely, 2^838901339 is an apocalyptic number.

838901339 is a deficient number, since it is larger than the sum of its proper divisors (1).

838901339 is an equidigital number, since it uses as much as digits as its factorization.

838901339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 838901339 is about 28963.7935878572. The cubic root of 838901339 is about 943.1272557649.

The spelling of 838901339 in words is "eight hundred thirty-eight million, nine hundred one thousand, three hundred thirty-nine".