4238028 has 24 divisors (see below), whose sum is σ = 10987760. Its totient is φ = 1412640.

The previous prime is 4238011. The next prime is 4238033. The reversal of 4238028 is 8208324.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4237992 and 4238010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19513 + ... + 19728.

Almost surely, 2^4238028 is an apocalyptic number.

It is an amenable number.

4238028 is an abundant number, since it is smaller than the sum of its proper divisors (6749732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4238028 is a wasteful number, since it uses less digits than its factorization.

4238028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39254 (or 39246 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4238028 is about 2058.6471285774. The cubic root of 4238028 is about 161.8283504262.

The spelling of 4238028 in words is "four million, two hundred thirty-eight thousand, twenty-eight".