6928143 has 16 divisors (see below), whose sum is σ = 9455616. Its totient is φ = 4511360.

The previous prime is 6928133. The next prime is 6928151. The reversal of 6928143 is 3418296.

It is a cyclic number.

It is not a de Polignac number, because 6928143 - 2⁵ = 6928111 is a prime.

6928143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6928133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36178 + ... + 36368.

It is an arithmetic number, because the mean of its divisors is an integer number (590976).

Almost surely, 2^6928143 is an apocalyptic number.

6928143 is a deficient number, since it is larger than the sum of its proper divisors (2527473).

6928143 is a wasteful number, since it uses less digits than its factorization.

6928143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its digits is 10368, while the sum is 33.

The square root of 6928143 is about 2632.1365846019. The cubic root of 6928143 is about 190.6363061645.

The spelling of 6928143 in words is "six million, nine hundred twenty-eight thousand, one hundred forty-three".