838400119 has 2 divisors, whose sum is σ = 838400120. Its totient is φ = 838400118.

The previous prime is 838400113. The next prime is 838400141. The reversal of 838400119 is 911004838.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838400119 - 2²¹ = 836302967 is a prime.

It is a super-2 number, since 2×838400119² = 1405829519078428322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838400113) 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, 419200059 + 419200060.

It is an arithmetic number, because the mean of its divisors is an integer number (419200060).

Almost surely, 2^838400119 is an apocalyptic number.

838400119 is a deficient number, since it is larger than the sum of its proper divisors (1).

838400119 is an equidigital number, since it uses as much as digits as its factorization.

838400119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 838400119 is about 28955.1397682691. The cubic root of 838400119 is about 942.9393876582.

The spelling of 838400119 in words is "eight hundred thirty-eight million, four hundred thousand, one hundred nineteen".