6678339 has 8 divisors (see below), whose sum is σ = 8970000. Its totient is φ = 4419456.

The previous prime is 6678317. The next prime is 6678383. The reversal of 6678339 is 9338766.

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

It is not a de Polignac number, because 6678339 - 2¹² = 6674243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6678339.

It is not an unprimeable number, because it can be changed into a prime (6678839) 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, 7714 + ... + 8535.

It is an arithmetic number, because the mean of its divisors is an integer number (1121250).

Almost surely, 2^6678339 is an apocalyptic number.

6678339 is a deficient number, since it is larger than the sum of its proper divisors (2291661).

6678339 is a wasteful number, since it uses less digits than its factorization.

6678339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16389.

The product of its digits is 163296, while the sum is 42.

The square root of 6678339 is about 2584.2482465893. The cubic root of 6678339 is about 188.3169825956.

The spelling of 6678339 in words is "six million, six hundred seventy-eight thousand, three hundred thirty-nine".