539931 has 12 divisors (see below), whose sum is σ = 837672. Its totient is φ = 308448.

The previous prime is 539921. The next prime is 539947. The reversal of 539931 is 139935.

539931 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 539931 - 2⁵ = 539899 is a prime.

It is a super-2 number, since 2×539931² = 583050969522, which contains 22 as substring.

It is an Ulam number.

539931 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (539921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (69806).

2⁵³⁹⁹³¹ is an apocalyptic number.

539931 is a deficient number, since it is larger than the sum of its proper divisors (297741).

539931 is a wasteful number, since it uses less digits than its factorization.

539931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690 (or 3683 counting only the distinct ones).

The product of its digits is 3645, while the sum is 30.

The square root of 539931 is about 734.7999727817. The cubic root of 539931 is about 81.4290599276.

The spelling of 539931 in words is "five hundred thirty-nine thousand, nine hundred thirty-one".