539806 has 16 divisors (see below), whose sum is σ = 861840. Its totient is φ = 253120.

The previous prime is 539797. The next prime is 539837. The reversal of 539806 is 608935.

539806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2⁵³⁹⁸⁰⁶ is an apocalyptic number.

539806 is a deficient number, since it is larger than the sum of its proper divisors (322034).

539806 is a wasteful number, since it uses less digits than its factorization.

539806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 539806 is about 734.7149106967. The cubic root of 539806 is about 81.4227755332.

It can be divided in two parts, 539 and 806, that multiplied together give a palindrome (434434).

The spelling of 539806 in words is "five hundred thirty-nine thousand, eight hundred six".