538586 has 8 divisors (see below), whose sum is σ = 823284. Its totient is φ = 264160.

The previous prime is 538579. The next prime is 538589. The reversal of 538586 is 685835.

It can be written as a sum of positive squares in 2 ways, for example, as 534361 + 4225 = 731^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (538589) by changing a digit.

538586 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 2435 + ... + 2646.

2⁵³⁸⁵⁸⁶ is an apocalyptic number.

538586 is a deficient number, since it is larger than the sum of its proper divisors (284698).

538586 is a wasteful number, since it uses less digits than its factorization.

538586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136.

The product of its digits is 28800, while the sum is 35.

The square root of 538586 is about 733.8841870486. The cubic root of 538586 is about 81.3613888402.

The spelling of 538586 in words is "five hundred thirty-eight thousand, five hundred eighty-six".