539620 has 12 divisors (see below), whose sum is σ = 1133244. Its totient is φ = 215840.

The previous prime is 539573. The next prime is 539621. The reversal of 539620 is 26935.

539620 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 119716 + 419904 = 346^2 + 648^2 .

It is not an unprimeable number, because it can be changed into a prime (539621) by changing a digit.

539620 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, 13471 + ... + 13510.

It is an arithmetic number, because the mean of its divisors is an integer number (94437).

2⁵³⁹⁶²⁰ is an apocalyptic number.

It is an amenable number.

539620 is an abundant number, since it is smaller than the sum of its proper divisors (593624).

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

539620 is a wasteful number, since it uses less digits than its factorization.

539620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26990 (or 26988 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 539620 is about 734.5883200814. The cubic root of 539620 is about 81.4134225582.

The spelling of 539620 in words is "five hundred thirty-nine thousand, six hundred twenty".