6785438 has 16 divisors (see below), whose sum is σ = 11199600. Its totient is φ = 3083080.

The previous prime is 6785419. The next prime is 6785447. The reversal of 6785438 is 8345876.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 6785395 and 6785404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (699975).

Almost surely, 2^6785438 is an apocalyptic number.

6785438 is a deficient number, since it is larger than the sum of its proper divisors (4414162).

6785438 is a wasteful number, since it uses less digits than its factorization.

6785438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 2562 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 6785438 is about 2604.8873296172. The cubic root of 6785438 is about 189.3183143159.

It can be divided in two parts, 678 and 5438, that added together give a palindrome (6116).

The spelling of 6785438 in words is "six million, seven hundred eighty-five thousand, four hundred thirty-eight".