4028743 has 2 divisors, whose sum is σ = 4028744. Its totient is φ = 4028742.

The previous prime is 4028723. The next prime is 4028747. The reversal of 4028743 is 3478204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4028743 - 2⁹ = 4028231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4028747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014371 + 2014372.

It is an arithmetic number, because the mean of its divisors is an integer number (2014372).

Almost surely, 2^4028743 is an apocalyptic number.

4028743 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028743 is an equidigital number, since it uses as much as digits as its factorization.

4028743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4028743 is about 2007.1728874215. The cubic root of 4028743 is about 159.1194203249.

The spelling of 4028743 in words is "four million, twenty-eight thousand, seven hundred forty-three".