538806 has 16 divisors (see below), whose sum is σ = 1090800. Its totient is φ = 177408.

The previous prime is 538801. The next prime is 538817. The reversal of 538806 is 608835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538801) by changing a digit.

538806 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 7 ways as a sum of consecutive naturals, for example, 30 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (68175).

2⁵³⁸⁸⁰⁶ is an apocalyptic number.

538806 is an abundant number, since it is smaller than the sum of its proper divisors (551994).

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

538806 is a wasteful number, since it uses less digits than its factorization.

538806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 538806 is about 734.0340591553. The cubic root of 538806 is about 81.3724654178.

The spelling of 538806 in words is "five hundred thirty-eight thousand, eight hundred six".