6397479 has 12 divisors (see below), whose sum is σ = 10081032. Its totient is φ = 3877200.

The previous prime is 6397463. The next prime is 6397493. The reversal of 6397479 is 9747936.

6397479 is a `hidden beast` number, since 639 + 7 + 4 + 7 + 9 = 666.

It is not a de Polignac number, because 6397479 - 2⁴ = 6397463 is a prime.

It is a d-powerful number, because it can be written as 6² + 3¹¹ + 9⁶ + 7⁵ + 4⁸ + 7⁷ + 9⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32212 + ... + 32409.

It is an arithmetic number, because the mean of its divisors is an integer number (840086).

Almost surely, 2^6397479 is an apocalyptic number.

6397479 is a deficient number, since it is larger than the sum of its proper divisors (3683553).

6397479 is a wasteful number, since it uses less digits than its factorization.

6397479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64638 (or 64635 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 6397479 is about 2529.3238226846. The cubic root of 6397479 is about 185.6391721316.

It can be divided in two parts, 639 and 7479, that added together give a palindrome (8118).

The spelling of 6397479 in words is "six million, three hundred ninety-seven thousand, four hundred seventy-nine".