6838558 has 4 divisors (see below), whose sum is σ = 10257840. Its totient is φ = 3419278.

The previous prime is 6838553. The next prime is 6838561. The reversal of 6838558 is 8558386.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838553) 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, 1709638 + ... + 1709641.

It is an arithmetic number, because the mean of its divisors is an integer number (2564460).

Almost surely, 2^6838558 is an apocalyptic number.

6838558 is a deficient number, since it is larger than the sum of its proper divisors (3419282).

6838558 is a wasteful number, since it uses less digits than its factorization.

6838558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419281.

The product of its digits is 230400, while the sum is 43.

The square root of 6838558 is about 2615.0636703530. The cubic root of 6838558 is about 189.8110587112.

It can be divided in two parts, 6838 and 558, that added together give a square (7396 = 86²).

The spelling of 6838558 in words is "six million, eight hundred thirty-eight thousand, five hundred fifty-eight".