6427843 has 4 divisors (see below), whose sum is σ = 6518448. Its totient is φ = 6337240.

The previous prime is 6427831. The next prime is 6427891. The reversal of 6427843 is 3487246.

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 6427843 - 2⁹ = 6427331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6427799 and 6427808.

It is not an unprimeable number, because it can be changed into a prime (6427543) 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, 45196 + ... + 45337.

It is an arithmetic number, because the mean of its divisors is an integer number (1629612).

Almost surely, 2^6427843 is an apocalyptic number.

6427843 is a deficient number, since it is larger than the sum of its proper divisors (90605).

6427843 is an equidigital number, since it uses as much as digits as its factorization.

6427843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90604.

The product of its digits is 32256, while the sum is 34.

The square root of 6427843 is about 2535.3191120646. The cubic root of 6427843 is about 185.9324050060.

The spelling of 6427843 in words is "six million, four hundred twenty-seven thousand, eight hundred forty-three".