6838805 has 4 divisors (see below), whose sum is σ = 8206572. Its totient is φ = 5471040.

The previous prime is 6838801. The next prime is 6838807. The reversal of 6838805 is 5088386.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 3236401 = 1898^2 + 1799^2 .

It is not a de Polignac number, because 6838805 - 2² = 6838801 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683876 + ... + 683885.

It is an arithmetic number, because the mean of its divisors is an integer number (2051643).

Almost surely, 2^6838805 is an apocalyptic number.

It is an amenable number.

6838805 is a deficient number, since it is larger than the sum of its proper divisors (1367767).

6838805 is a wasteful number, since it uses less digits than its factorization.

6838805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367766.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 6838805 is about 2615.1108963101. The cubic root of 6838805 is about 189.8133439282.

The spelling of 6838805 in words is "six million, eight hundred thirty-eight thousand, eight hundred five".