6867138 has 8 divisors (see below), whose sum is σ = 13734288. Its totient is φ = 2289044.

The previous prime is 6867137. The next prime is 6867139. The reversal of 6867138 is 8317686.

It is an interprime number because it is at equal distance from previous prime (6867137) and next prime (6867139).

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

6867138 is an admirable number.

It is a super-2 number, since 2×6867138² = 94315168622088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6867096 and 6867105.

It is not an unprimeable number, because it can be changed into a prime (6867137) 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, 572256 + ... + 572267.

It is an arithmetic number, because the mean of its divisors is an integer number (1716786).

Almost surely, 2^6867138 is an apocalyptic number.

6867138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6867138 is a wasteful number, since it uses less digits than its factorization.

6867138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144528.

The product of its digits is 48384, while the sum is 39.

The square root of 6867138 is about 2620.5224669901. The cubic root of 6867138 is about 190.0751134222.

The spelling of 6867138 in words is "six million, eight hundred sixty-seven thousand, one hundred thirty-eight".