256084 has 12 divisors (see below), whose sum is σ = 454804. Its totient is φ = 126144.

The previous prime is 256079. The next prime is 256093. The reversal of 256084 is 480652.

256084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183184 + 72900 = 428^2 + 270^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147 + ... + 730.

256084 is a Friedman number, since it can be written as 506^2+48, using all its digits and the basic arithmetic operations.

2²⁵⁶⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

256084 is a deficient number, since it is larger than the sum of its proper divisors (198720).

256084 is a wasteful number, since it uses less digits than its factorization.

256084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 256084 is about 506.0474286072. The cubic root of 256084 is about 63.5029861989.

It can be divided in two parts, 25 and 6084, that multiplied together give a square (152100 = 390²).

The spelling of 256084 in words is "two hundred fifty-six thousand, eighty-four".