6345943 has 4 divisors (see below), whose sum is σ = 6679960. Its totient is φ = 6011928.

The previous prime is 6345923. The next prime is 6345949. The reversal of 6345943 is 3495436.

It is a happy number.

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 6345943 - 2⁹ = 6345431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6345899 and 6345908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345949) 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, 166980 + ... + 167017.

It is an arithmetic number, because the mean of its divisors is an integer number (1669990).

Almost surely, 2^6345943 is an apocalyptic number.

6345943 is a deficient number, since it is larger than the sum of its proper divisors (334017).

6345943 is a wasteful number, since it uses less digits than its factorization.

6345943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334016.

The product of its digits is 38880, while the sum is 34.

The square root of 6345943 is about 2519.1155193837. The cubic root of 6345943 is about 185.1393447371.

The spelling of 6345943 in words is "six million, three hundred forty-five thousand, nine hundred forty-three".