539399232 has 84 divisors (see below), whose sum is σ = 1575351180. Its totient is φ = 176397312.

The previous prime is 539399219. The next prime is 539399233. The reversal of 539399232 is 232993935.

539399232 is a `hidden beast` number, since 539 + 3 + 99 + 23 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 244109376 + 295289856 = 15624^2 + 17184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539399233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21694 + ... + 39362.

Almost surely, 2^539399232 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 539399232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787675590).

539399232 is an abundant number, since it is smaller than the sum of its proper divisors (1035951948).

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

539399232 is a wasteful number, since it uses less digits than its factorization.

539399232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740 (or 17727 counting only the distinct ones).

The product of its digits is 393660, while the sum is 45.

The square root of 539399232 is about 23224.9700107449. The cubic root of 539399232 is about 814.0231849107.

The spelling of 539399232 in words is "five hundred thirty-nine million, three hundred ninety-nine thousand, two hundred thirty-two".