539958 has 16 divisors (see below), whose sum is σ = 1115136. Its totient is φ = 174120.

The previous prime is 539947. The next prime is 539993. The reversal of 539958 is 859935.

539958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 539958.

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, 1266 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (69696).

2⁵³⁹⁹⁵⁸ is an apocalyptic number.

539958 is an abundant number, since it is smaller than the sum of its proper divisors (575178).

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

539958 is a wasteful number, since it uses less digits than its factorization.

539958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939.

The product of its digits is 48600, while the sum is 39.

The square root of 539958 is about 734.8183448989. The cubic root of 539958 is about 81.4304172294.

It can be divided in two parts, 53 and 9958, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 539958 in words is "five hundred thirty-nine thousand, nine hundred fifty-eight".