539172 has 36 divisors (see below), whose sum is σ = 1444716. Its totient is φ = 168960.

The previous prime is 539171. The next prime is 539207. The reversal of 539172 is 271935.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 285156 = 504^2 + 534^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 539172.

It is not an unprimeable number, because it can be changed into a prime (539171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (40131).

2⁵³⁹¹⁷² 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 539172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722358).

539172 is an abundant number, since it is smaller than the sum of its proper divisors (905544).

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

539172 is a wasteful number, since it uses less digits than its factorization.

539172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 903 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 539172 is about 734.2833240650. The cubic root of 539172 is about 81.3908861366.

The spelling of 539172 in words is "five hundred thirty-nine thousand, one hundred seventy-two".