256234 has 16 divisors (see below), whose sum is σ = 442080. Its totient is φ = 110160.

The previous prime is 256219. The next prime is 256279. The reversal of 256234 is 432652.

256234 = 107² + 108² + ... + 125².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112 + ... + 724.

It is an arithmetic number, because the mean of its divisors is an integer number (27630).

2²⁵⁶²³⁴ is an apocalyptic number.

256234 is a deficient number, since it is larger than the sum of its proper divisors (185846).

256234 is a wasteful number, since it uses less digits than its factorization.

256234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its digits is 1440, while the sum is 22.

The square root of 256234 is about 506.1956143627. The cubic root of 256234 is about 63.5153826374.

Adding to 256234 its reverse (432652), we get a palindrome (688886).

The spelling of 256234 in words is "two hundred fifty-six thousand, two hundred thirty-four".