538544 has 20 divisors (see below), whose sum is σ = 1057224. Its totient is φ = 265728.

The previous prime is 538529. The next prime is 538553. The reversal of 538544 is 445835.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538544.

It is an unprimeable number.

538544 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 1725.

2⁵³⁸⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

538544 is a deficient number, since it is larger than the sum of its proper divisors (518680).

538544 is a wasteful number, since it uses less digits than its factorization.

538544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 538544 is about 733.8555716216. The cubic root of 538544 is about 81.3592738780.

The spelling of 538544 in words is "five hundred thirty-eight thousand, five hundred forty-four".