256028 has 6 divisors (see below), whose sum is σ = 448056. Its totient is φ = 128012.

The previous prime is 256021. The next prime is 256031. The reversal of 256028 is 820652.

It is a happy number.

256028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255994 and 256012.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256028.

It is not an unprimeable number, because it can be changed into a prime (256021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32000 + ... + 32007.

It is an arithmetic number, because the mean of its divisors is an integer number (74676).

2²⁵⁶⁰²⁸ is an apocalyptic number.

It is an amenable number.

256028 is a deficient number, since it is larger than the sum of its proper divisors (192028).

256028 is a wasteful number, since it uses less digits than its factorization.

256028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64011 (or 64009 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 256028 is about 505.9920947999. The cubic root of 256028 is about 63.4983569542.

The spelling of 256028 in words is "two hundred fifty-six thousand, twenty-eight".