4028143 has 6 divisors (see below), whose sum is σ = 4685856. Its totient is φ = 3452652.

The previous prime is 4028137. The next prime is 4028173. The reversal of 4028143 is 3418204.

It is not a de Polignac number, because 4028143 - 2⁹ = 4027631 is a prime.

It is a super-3 number, since 3×4028143³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41055 + ... + 41152.

It is an arithmetic number, because the mean of its divisors is an integer number (780976).

Almost surely, 2^4028143 is an apocalyptic number.

4028143 is a deficient number, since it is larger than the sum of its proper divisors (657713).

4028143 is an equidigital number, since it uses as much as digits as its factorization.

4028143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82221 (or 82214 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4028143 is about 2007.0234179002. The cubic root of 4028143 is about 159.1115207234. Note that the first 3 decimals are identical.

The spelling of 4028143 in words is "four million, twenty-eight thousand, one hundred forty-three".