6679943 has 4 divisors (see below), whose sum is σ = 6860520. Its totient is φ = 6499368.

The previous prime is 6679931. The next prime is 6679949. The reversal of 6679943 is 3499766.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6679943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6679894 and 6679903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679949) 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, 90233 + ... + 90306.

It is an arithmetic number, because the mean of its divisors is an integer number (1715130).

Almost surely, 2^6679943 is an apocalyptic number.

6679943 is a deficient number, since it is larger than the sum of its proper divisors (180577).

6679943 is a wasteful number, since it uses less digits than its factorization.

6679943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180576.

The product of its digits is 244944, while the sum is 44.

The square root of 6679943 is about 2584.5585696594. The cubic root of 6679943 is about 188.3320580138.

The spelling of 6679943 in words is "six million, six hundred seventy-nine thousand, nine hundred forty-three".