6879641 has 8 divisors (see below), whose sum is σ = 7235400. Its totient is φ = 6531840.

The previous prime is 6879589. The next prime is 6879643. The reversal of 6879641 is 1469786.

It can be written as a sum of positive squares in 4 ways, for example, as 326041 + 6553600 = 571^2 + 2560^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6879641 - 2¹⁰ = 6878617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6879643) 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 7 ways as a sum of consecutive naturals, for example, 176 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (904425).

Almost surely, 2^6879641 is an apocalyptic number.

6879641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6879641 is a deficient number, since it is larger than the sum of its proper divisors (355759).

6879641 is a wasteful number, since it uses less digits than its factorization.

6879641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its digits is 72576, while the sum is 41.

The square root of 6879641 is about 2622.9069750946. The cubic root of 6879641 is about 190.1904000863.

The spelling of 6879641 in words is "six million, eight hundred seventy-nine thousand, six hundred forty-one".