838142411 has 2 divisors, whose sum is σ = 838142412. Its totient is φ = 838142410.

The previous prime is 838142407. The next prime is 838142413. The reversal of 838142411 is 114241838.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 838142411 - 2² = 838142407 is a prime.

It is a super-2 number, since 2×838142411² = 1404965402233785842, which contains 22 as substring.

Together with 838142413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (838142413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419071205 + 419071206.

It is an arithmetic number, because the mean of its divisors is an integer number (419071206).

Almost surely, 2^838142411 is an apocalyptic number.

838142411 is a deficient number, since it is larger than the sum of its proper divisors (1).

838142411 is an equidigital number, since it uses as much as digits as its factorization.

838142411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6144, while the sum is 32.

The square root of 838142411 is about 28950.6893009476. The cubic root of 838142411 is about 942.8427639735.

The spelling of 838142411 in words is "eight hundred thirty-eight million, one hundred forty-two thousand, four hundred eleven".