6879617 has 4 divisors (see below), whose sum is σ = 6899460. Its totient is φ = 6859776.

The previous prime is 6879589. The next prime is 6879643. The reversal of 6879617 is 7169786.

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 1100401 + 5779216 = 1049^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 6879617 - 2⁸ = 6879361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6879017) 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, 9392 + ... + 10097.

It is an arithmetic number, because the mean of its divisors is an integer number (1724865).

Almost surely, 2^6879617 is an apocalyptic number.

It is an amenable number.

6879617 is a deficient number, since it is larger than the sum of its proper divisors (19843).

6879617 is a wasteful number, since it uses less digits than its factorization.

6879617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19842.

The product of its digits is 127008, while the sum is 44.

The square root of 6879617 is about 2622.9024000142. The cubic root of 6879617 is about 190.1901789229.

The spelling of 6879617 in words is "six million, eight hundred seventy-nine thousand, six hundred seventeen".