538688256 has 36 divisors (see below), whose sum is σ = 1433698392. Its totient is φ = 179562496.

The previous prime is 538688233. The next prime is 538688257. The reversal of 538688256 is 652886835.

It is a junction number, because it is equal to n+sod(n) for n = 538688199 and 538688208.

It is not an unprimeable number, because it can be changed into a prime (538688257) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 349941 + ... + 351476.

Almost surely, 2^538688256 is an apocalyptic number.

It is an amenable number.

538688256 is an abundant number, since it is smaller than the sum of its proper divisors (895010136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538688256 is an equidigital number, since it uses as much as digits as its factorization.

538688256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701436 (or 701422 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The square root of 538688256 is about 23209.6586790931. The cubic root of 538688256 is about 813.6653760859.

The spelling of 538688256 in words is "five hundred thirty-eight million, six hundred eighty-eight thousand, two hundred fifty-six".