6842143 has 16 divisors (see below), whose sum is σ = 9033984. Its totient is φ = 5016960.

The previous prime is 6842137. The next prime is 6842149. The reversal of 6842143 is 3412486.

It is an interprime number because it is at equal distance from previous prime (6842137) and next prime (6842149).

It is a cyclic number.

It is not a de Polignac number, because 6842143 - 2¹³ = 6833951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (564624).

Almost surely, 2^6842143 is an apocalyptic number.

6842143 is a deficient number, since it is larger than the sum of its proper divisors (2191841).

6842143 is a wasteful number, since it uses less digits than its factorization.

6842143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262.

The product of its digits is 4608, while the sum is 28.

The square root of 6842143 is about 2615.7490323041. The cubic root of 6842143 is about 189.8442213444.

The spelling of 6842143 in words is "six million, eight hundred forty-two thousand, one hundred forty-three".