838004311 has 2 divisors, whose sum is σ = 838004312. Its totient is φ = 838004310.

The previous prime is 838004261. The next prime is 838004327. The reversal of 838004311 is 113400838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 838004311 - 2¹⁹ = 837480023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 838004311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838004351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419002155 + 419002156.

It is an arithmetic number, because the mean of its divisors is an integer number (419002156).

Almost surely, 2^838004311 is an apocalyptic number.

838004311 is a deficient number, since it is larger than the sum of its proper divisors (1).

838004311 is an equidigital number, since it uses as much as digits as its factorization.

838004311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 838004311 is about 28948.3041126764. The cubic root of 838004311 is about 942.7909773336.

The spelling of 838004311 in words is "eight hundred thirty-eight million, four thousand, three hundred eleven".