539924 has 24 divisors (see below), whose sum is σ = 1178688. Its totient is φ = 210240.

The previous prime is 539921. The next prime is 539947. The reversal of 539924 is 429935.

It is a d-powerful number, because it can be written as 5³ + 3¹² + 9² + 9² + 2¹³ + 4 .

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 569 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (49112).

2⁵³⁹⁹²⁴ is an apocalyptic number.

It is an amenable number.

539924 is an abundant number, since it is smaller than the sum of its proper divisors (638764).

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

539924 is a wasteful number, since it uses less digits than its factorization.

539924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1773 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 539924 is about 734.7952095652. The cubic root of 539924 is about 81.4287080271.

The spelling of 539924 in words is "five hundred thirty-nine thousand, nine hundred twenty-four".