539616 has 96 divisors (see below), whose sum is σ = 1790208. Its totient is φ = 138240.

The previous prime is 539573. The next prime is 539621. The reversal of 539616 is 616935.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

539616 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 15 ways as a sum of consecutive naturals, for example, 7356 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (18648).

2⁵³⁹⁶¹⁶ is an apocalyptic number.

539616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895104).

539616 is an abundant number, since it is smaller than the sum of its proper divisors (1250592).

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

539616 is a wasteful number, since it uses less digits than its factorization.

539616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 96 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 539616 is about 734.5855974630. The cubic root of 539616 is about 81.4132213954.

It can be divided in two parts, 53 and 9616, that added together give a palindrome (9669).

The spelling of 539616 in words is "five hundred thirty-nine thousand, six hundred sixteen".