4028 has 12 divisors (see below), whose sum is σ = 7560. Its totient is φ = 1872.

The previous prime is 4027. The next prime is 4049. The reversal of 4028 is 8204.

It is a plaindrome in base 13 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 102.

It is an arithmetic number, because the mean of its divisors is an integer number (630).

2⁴⁰²⁸ is an apocalyptic number.

It is an amenable number.

4028 is a deficient number, since it is larger than the sum of its proper divisors (3532).

4028 is a wasteful number, since it uses less digits than its factorization.

4028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4028 is about 63.4665266105. The cubic root of 4028 is about 15.9109637869.

The spelling of 4028 in words is "four thousand, twenty-eight".