6839131 has 4 divisors (see below), whose sum is σ = 7365232. Its totient is φ = 6313032.

The previous prime is 6839123. The next prime is 6839149. The reversal of 6839131 is 1319386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1319386 = 2 ⋅659693.

It is a cyclic number.

It is not a de Polignac number, because 6839131 - 2³ = 6839123 is a prime.

It is a super-2 number, since 2×6839131² = 93547425670322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6839093 and 6839102.

It is not an unprimeable number, because it can be changed into a prime (6831131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 263031 + ... + 263056.

It is an arithmetic number, because the mean of its divisors is an integer number (1841308).

Almost surely, 2^6839131 is an apocalyptic number.

6839131 is a deficient number, since it is larger than the sum of its proper divisors (526101).

6839131 is a wasteful number, since it uses less digits than its factorization.

6839131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526100.

The product of its digits is 3888, while the sum is 31.

The square root of 6839131 is about 2615.1732256201. The cubic root of 6839131 is about 189.8163599603.

The spelling of 6839131 in words is "six million, eight hundred thirty-nine thousand, one hundred thirty-one".