6838387 has 2 divisors, whose sum is σ = 6838388. Its totient is φ = 6838386.

The previous prime is 6838367. The next prime is 6838399. The reversal of 6838387 is 7838386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6838387 - 2¹¹ = 6836339 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (6838357) 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, 3419193 + 3419194.

It is an arithmetic number, because the mean of its divisors is an integer number (3419194).

Almost surely, 2^6838387 is an apocalyptic number.

6838387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6838387 is an equidigital number, since it uses as much as digits as its factorization.

6838387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 6838387 is about 2615.0309749600. The cubic root of 6838387 is about 189.8094766057.

Subtracting 6838387 from its reverse (7838386), we obtain a palindrome (999999).

It can be divided in two parts, 6838 and 387, that added together give a square (7225 = 85²).

The spelling of 6838387 in words is "six million, eight hundred thirty-eight thousand, three hundred eighty-seven".