539660 has 36 divisors (see below), whose sum is σ = 1251264. Its totient is φ = 195360.

The previous prime is 539653. The next prime is 539663. The reversal of 539660 is 66935.

539660 = T₁₀₃ + T₁₀₄ + ... + T₁₆₂.

It is not an unprimeable number, because it can be changed into a prime (539663) by changing a digit.

539660 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 (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2309 + ... + 2531.

2⁵³⁹⁶⁶⁰ 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 539660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625632).

539660 is an abundant number, since it is smaller than the sum of its proper divisors (711604).

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

539660 is a wasteful number, since it uses less digits than its factorization.

539660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 539660 is about 734.6155457108. The cubic root of 539660 is about 81.4154341321.

The spelling of 539660 in words is "five hundred thirty-nine thousand, six hundred sixty".