539580 has 72 divisors (see below), whose sum is σ = 1672272. Its totient is φ = 129536.

The previous prime is 539573. The next prime is 539621. The reversal of 539580 is 85935.

539580 = T₅₉ + T₆₀ + ... + T₁₅₀.

It is a super-2 number, since 2×539580² = 582293152800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

539580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23449 + ... + 23471.

It is an arithmetic number, because the mean of its divisors is an integer number (23226).

2⁵³⁹⁵⁸⁰ 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 539580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836136).

539580 is an abundant number, since it is smaller than the sum of its proper divisors (1132692).

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

539580 is a wasteful number, since it uses less digits than its factorization.

539580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 539580 is about 734.5610934429. The cubic root of 539580 is about 81.4114108849.

The spelling of 539580 in words is "five hundred thirty-nine thousand, five hundred eighty".