6387143 has 4 divisors (see below), whose sum is σ = 7299600. Its totient is φ = 5474688.

The previous prime is 6387131. The next prime is 6387179. The reversal of 6387143 is 3417836.

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 6387143 - 2⁶ = 6387079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6387193) 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, 456218 + ... + 456231.

It is an arithmetic number, because the mean of its divisors is an integer number (1824900).

Almost surely, 2^6387143 is an apocalyptic number.

6387143 is a deficient number, since it is larger than the sum of its proper divisors (912457).

6387143 is an equidigital number, since it uses as much as digits as its factorization.

6387143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912456.

The product of its digits is 12096, while the sum is 32.

The square root of 6387143 is about 2527.2797629071. The cubic root of 6387143 is about 185.5391431069.

The spelling of 6387143 in words is "six million, three hundred eighty-seven thousand, one hundred forty-three".