539385984 has 144 divisors (see below), whose sum is σ = 1639393470. Its totient is φ = 170201088.

The previous prime is 539385953. The next prime is 539385997. The reversal of 539385984 is 489583935.

It can be written as a sum of positive squares in only one way, i.e., 284664384 + 254721600 = 16872^2 + 15960^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 539385984.

It is a congruent number.

It is an unprimeable 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 17 ways as a sum of consecutive naturals, for example, 415224 + ... + 416520.

Almost surely, 2^539385984 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 539385984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819696735).

539385984 is an abundant number, since it is smaller than the sum of its proper divisors (1100007486).

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

539385984 is a wasteful number, since it uses less digits than its factorization.

539385984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1321 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 539385984 is about 23224.6847987222. The cubic root of 539385984 is about 814.0165205412.

The spelling of 539385984 in words is "five hundred thirty-nine million, three hundred eighty-five thousand, nine hundred eighty-four".