539972 has 12 divisors (see below), whose sum is σ = 960876. Its totient is φ = 265440.

The previous prime is 539947. The next prime is 539993. The reversal of 539972 is 279935.

It can be written as a sum of positive squares in 2 ways, for example, as 295936 + 244036 = 544^2 + 494^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 539972.

It is an unprimeable number.

539972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (80073).

2⁵³⁹⁹⁷² is an apocalyptic number.

It is an amenable number.

539972 is a deficient number, since it is larger than the sum of its proper divisors (420904).

539972 is a wasteful number, since it uses less digits than its factorization.

539972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2276 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 539972 is about 734.8278710011. The cubic root of 539972 is about 81.4311209977.

The spelling of 539972 in words is "five hundred thirty-nine thousand, nine hundred seventy-two".