4028871 has 32 divisors (see below), whose sum is σ = 6801408. Its totient is φ = 2060640.

The previous prime is 4028863. The next prime is 4028891. The reversal of 4028871 is 1788204.

It is not a de Polignac number, because 4028871 - 2³ = 4028863 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24636 + ... + 24798.

It is an arithmetic number, because the mean of its divisors is an integer number (212544).

Almost surely, 2^4028871 is an apocalyptic number.

4028871 is a deficient number, since it is larger than the sum of its proper divisors (2772537).

4028871 is a wasteful number, since it uses less digits than its factorization.

4028871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4028871 is about 2007.2047728122. The cubic root of 4028871 is about 159.1211054717.

The spelling of 4028871 in words is "four million, twenty-eight thousand, eight hundred seventy-one".