6838961 has 4 divisors (see below), whose sum is σ = 6968052. Its totient is φ = 6709872.

The previous prime is 6838957. The next prime is 6838963. The reversal of 6838961 is 1698386.

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 5550736 + 1288225 = 2356^2 + 1135^2 .

It is a cyclic number.

It is not a de Polignac number, because 6838961 - 2² = 6838957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6838963) 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 in 3 ways as a sum of consecutive naturals, for example, 64466 + ... + 64571.

It is an arithmetic number, because the mean of its divisors is an integer number (1742013).

Almost surely, 2^6838961 is an apocalyptic number.

It is an amenable number.

6838961 is a deficient number, since it is larger than the sum of its proper divisors (129091).

6838961 is a wasteful number, since it uses less digits than its factorization.

6838961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129090.

The product of its digits is 62208, while the sum is 41.

The square root of 6838961 is about 2615.1407227910. The cubic root of 6838961 is about 189.8147871948.

The spelling of 6838961 in words is "six million, eight hundred thirty-eight thousand, nine hundred sixty-one".