6397279 has 8 divisors (see below), whose sum is σ = 7359008. Its totient is φ = 5447520.

The previous prime is 6397273. The next prime is 6397283. The reversal of 6397279 is 9727936.

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 6397279 - 2¹¹ = 6395231 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 3 + 9² + 7⁴ + 2¹⁹ + 7⁸ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1812 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (919876).

Almost surely, 2^6397279 is an apocalyptic number.

6397279 is a deficient number, since it is larger than the sum of its proper divisors (961729).

6397279 is a wasteful number, since it uses less digits than its factorization.

6397279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985.

The product of its digits is 142884, while the sum is 43.

The square root of 6397279 is about 2529.2842861173. The cubic root of 6397279 is about 185.6372376080.

The spelling of 6397279 in words is "six million, three hundred ninety-seven thousand, two hundred seventy-nine".