4028559 has 8 divisors (see below), whose sum is σ = 5387520. Its totient is φ = 2677656.

The previous prime is 4028539. The next prime is 4028561. The reversal of 4028559 is 9558204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4028559 - 2¹¹ = 4026511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (673440).

Almost surely, 2^4028559 is an apocalyptic number.

4028559 is a deficient number, since it is larger than the sum of its proper divisors (1358961).

4028559 is a wasteful number, since it uses less digits than its factorization.

4028559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 4028559 is about 2007.1270512850. The cubic root of 4028559 is about 159.1169978638.

The spelling of 4028559 in words is "four million, twenty-eight thousand, five hundred fifty-nine".