538256 has 10 divisors (see below), whose sum is σ = 1042902. Its totient is φ = 269120.

The previous prime is 538249. The next prime is 538259. The reversal of 538256 is 652835.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 25600 = 716^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (538259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16805 + ... + 16836.

2⁵³⁸²⁵⁶ is an apocalyptic number.

It is an amenable number.

538256 is a deficient number, since it is larger than the sum of its proper divisors (504646).

538256 is a wasteful number, since it uses less digits than its factorization.

538256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33649 (or 33643 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 538256 is about 733.6593214838. The cubic root of 538256 is about 81.3447683167.

The spelling of 538256 in words is "five hundred thirty-eight thousand, two hundred fifty-six".