539985 has 8 divisors (see below), whose sum is σ = 864000. Its totient is φ = 287984.

The previous prime is 539947. The next prime is 539993. The reversal of 539985 is 589935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 539985 - 2⁶ = 539921 is a prime.

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, 17985 + ... + 18014.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2⁵³⁹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

539985 is a deficient number, since it is larger than the sum of its proper divisors (324015).

539985 is a wasteful number, since it uses less digits than its factorization.

539985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36007.

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

The square root of 539985 is about 734.8367165568. The cubic root of 539985 is about 81.4317744860.

The spelling of 539985 in words is "five hundred thirty-nine thousand, nine hundred eighty-five".