539805 has 32 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 239616.

The previous prime is 539797. The next prime is 539837. The reversal of 539805 is 508935.

539805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 539805 - 2³ = 539797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5517 + ... + 5613.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2⁵³⁹⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

539805 is a deficient number, since it is larger than the sum of its proper divisors (476259).

539805 is a wasteful number, since it uses less digits than its factorization.

539805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 539805 is about 734.7142301603. The cubic root of 539805 is about 81.4227252541.

The spelling of 539805 in words is "five hundred thirty-nine thousand, eight hundred five".