539903 has 16 divisors (see below), whose sum is σ = 705600. Its totient is φ = 400896.

The previous prime is 539899. The next prime is 539921. The reversal of 539903 is 309935.

It is a cyclic number.

It is not a de Polignac number, because 539903 - 2² = 539899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2⁵³⁹⁹⁰³ is an apocalyptic number.

539903 is a deficient number, since it is larger than the sum of its proper divisors (165697).

539903 is a wasteful number, since it uses less digits than its factorization.

539903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 539903 is about 734.7809197305. The cubic root of 539903 is about 81.4276523076.

The spelling of 539903 in words is "five hundred thirty-nine thousand, nine hundred three".