4028259 has 4 divisors (see below), whose sum is σ = 5371016. Its totient is φ = 2685504.

The previous prime is 4028251. The next prime is 4028261. The reversal of 4028259 is 9528204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4028259 - 2³ = 4028251 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4028251) 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, 671374 + ... + 671379.

It is an arithmetic number, because the mean of its divisors is an integer number (1342754).

Almost surely, 2^4028259 is an apocalyptic number.

4028259 is a deficient number, since it is larger than the sum of its proper divisors (1342757).

4028259 is a wasteful number, since it uses less digits than its factorization.

4028259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342756.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4028259 is about 2007.0523162090. The cubic root of 4028259 is about 159.1130480409.

Subtracting 4028259 from its reverse (9528204), we obtain a palindrome (5499945).

The spelling of 4028259 in words is "four million, twenty-eight thousand, two hundred fifty-nine".