6471943 has 4 divisors (see below), whose sum is σ = 6480648. Its totient is φ = 6463240.

The previous prime is 6471919. The next prime is 6471953. The reversal of 6471943 is 3491746.

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 6471943 - 2⁹ = 6471431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6471899 and 6471908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6471953) 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, 3121 + ... + 4762.

It is an arithmetic number, because the mean of its divisors is an integer number (1620162).

Almost surely, 2^6471943 is an apocalyptic number.

6471943 is a deficient number, since it is larger than the sum of its proper divisors (8705).

6471943 is an equidigital number, since it uses as much as digits as its factorization.

6471943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8704.

The product of its digits is 18144, while the sum is 34.

The square root of 6471943 is about 2544.0013757858. The cubic root of 6471943 is about 186.3566498778.

The spelling of 6471943 in words is "six million, four hundred seventy-one thousand, nine hundred forty-three".