6387479 has 4 divisors (see below), whose sum is σ = 7299984. Its totient is φ = 5474976.

The previous prime is 6387463. The next prime is 6387487. The reversal of 6387479 is 9747836.

6387479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6387479 - 2⁴ = 6387463 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6387449) 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 3 ways as a sum of consecutive naturals, for example, 456242 + ... + 456255.

It is an arithmetic number, because the mean of its divisors is an integer number (1824996).

Almost surely, 2^6387479 is an apocalyptic number.

6387479 is a deficient number, since it is larger than the sum of its proper divisors (912505).

6387479 is an equidigital number, since it uses as much as digits as its factorization.

6387479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912504.

The product of its digits is 254016, while the sum is 44.

The square root of 6387479 is about 2527.3462366680. The cubic root of 6387479 is about 185.5423965208.

The spelling of 6387479 in words is "six million, three hundred eighty-seven thousand, four hundred seventy-nine".