6395943 has 4 divisors (see below), whose sum is σ = 8527928. Its totient is φ = 4263960.

The previous prime is 6395941. The next prime is 6395947. The reversal of 6395943 is 3495936.

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

It is not a de Polignac number, because 6395943 - 2¹ = 6395941 is a prime.

It is a D-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 (6395941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065988 + ... + 1065993.

It is an arithmetic number, because the mean of its divisors is an integer number (2131982).

Almost surely, 2^6395943 is an apocalyptic number.

6395943 is a deficient number, since it is larger than the sum of its proper divisors (2131985).

6395943 is a wasteful number, since it uses less digits than its factorization.

6395943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131984.

The product of its digits is 87480, while the sum is 39.

The square root of 6395943 is about 2529.0201659931. The cubic root of 6395943 is about 185.6243139564.

The spelling of 6395943 in words is "six million, three hundred ninety-five thousand, nine hundred forty-three".