539604 has 36 divisors (see below), whose sum is σ = 1470196. Its totient is φ = 165888.

The previous prime is 539573. The next prime is 539621. The reversal of 539604 is 406935.

It is a happy number.

539604 is a `hidden beast` number, since 53 + 9 + 604 = 666.

539604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 291600 = 498^2 + 540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

539604 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 11 ways as a sum of consecutive naturals, for example, 109 + ... + 1044.

2⁵³⁹⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735098).

539604 is an abundant number, since it is smaller than the sum of its proper divisors (930592).

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

539604 is a wasteful number, since it uses less digits than its factorization.

539604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 539604 is about 734.5774295471. The cubic root of 539604 is about 81.4126179008.

The spelling of 539604 in words is "five hundred thirty-nine thousand, six hundred four".