6828143 has 8 divisors (see below), whose sum is σ = 7821312. Its totient is φ = 5839416.

The previous prime is 6828139. The next prime is 6828167. The reversal of 6828143 is 3418286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6828143 - 2² = 6828139 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 (6828103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446 + ... + 5052.

It is an arithmetic number, because the mean of its divisors is an integer number (977664).

Almost surely, 2^6828143 is an apocalyptic number.

6828143 is a deficient number, since it is larger than the sum of its proper divisors (993169).

6828143 is a wasteful number, since it uses less digits than its factorization.

6828143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its digits is 9216, while the sum is 32.

The square root of 6828143 is about 2613.0715642707. The cubic root of 6828143 is about 189.7146501500.

The spelling of 6828143 in words is "six million, eight hundred twenty-eight thousand, one hundred forty-three".