6839867 has 6 divisors (see below), whose sum is σ = 7219188. Its totient is φ = 6479532.

The previous prime is 6839851. The next prime is 6839873. The reversal of 6839867 is 7689386.

It is not a de Polignac number, because 6839867 - 2⁴ = 6839851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6839837) 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 5 ways as a sum of consecutive naturals, for example, 9113 + ... + 9834.

It is an arithmetic number, because the mean of its divisors is an integer number (1203198).

Almost surely, 2^6839867 is an apocalyptic number.

6839867 is a deficient number, since it is larger than the sum of its proper divisors (379321).

6839867 is a wasteful number, since it uses less digits than its factorization.

6839867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18985 (or 18966 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 6839867 is about 2615.3139390903. The cubic root of 6839867 is about 189.8231688093.

It can be divided in two parts, 68 and 39867, that multiplied together give a triangular number (2710956 = T₂₃₂₈).

The spelling of 6839867 in words is "six million, eight hundred thirty-nine thousand, eight hundred sixty-seven".