6396279 has 8 divisors (see below), whose sum is σ = 8540160. Its totient is φ = 4258296.

The previous prime is 6396259. The next prime is 6396281. The reversal of 6396279 is 9726936.

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

It is not a de Polignac number, because 6396279 - 2⁷ = 6396151 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6396279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396239) 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, 3004 + ... + 4670.

It is an arithmetic number, because the mean of its divisors is an integer number (1067520).

Almost surely, 2^6396279 is an apocalyptic number.

6396279 is a deficient number, since it is larger than the sum of its proper divisors (2143881).

6396279 is a wasteful number, since it uses less digits than its factorization.

6396279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949.

The product of its digits is 122472, while the sum is 42.

The square root of 6396279 is about 2529.0865940098. The cubic root of 6396279 is about 185.6275643854.

The spelling of 6396279 in words is "six million, three hundred ninety-six thousand, two hundred seventy-nine".