6838385 has 8 divisors (see below), whose sum is σ = 8638080. Its totient is φ = 5182704.

The previous prime is 6838367. The next prime is 6838387. The reversal of 6838385 is 5838386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6838385 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6838387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35897 + ... + 36086.

It is an arithmetic number, because the mean of its divisors is an integer number (1079760).

Almost surely, 2^6838385 is an apocalyptic number.

It is an amenable number.

6838385 is a deficient number, since it is larger than the sum of its proper divisors (1799695).

6838385 is a wasteful number, since it uses less digits than its factorization.

6838385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72007.

The product of its digits is 138240, while the sum is 41.

The square root of 6838385 is about 2615.0305925553. The cubic root of 6838385 is about 189.8094581013.

Subtracting from 6838385 its reverse (5838386), we obtain a palindrome (999999).

The spelling of 6838385 in words is "six million, eight hundred thirty-eight thousand, three hundred eighty-five".