539423439 has 16 divisors (see below), whose sum is σ = 752025600. Its totient is φ = 343282016.

The previous prime is 539423419. The next prime is 539423441. The reversal of 539423439 is 934324935.

539423439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 539423439 - 2⁹ = 539422927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539423439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539423419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27442 + ... + 42800.

It is an arithmetic number, because the mean of its divisors is an integer number (47001600).

Almost surely, 2^539423439 is an apocalyptic number.

539423439 is a deficient number, since it is larger than the sum of its proper divisors (212602161).

539423439 is a wasteful number, since it uses less digits than its factorization.

539423439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15894.

The product of its digits is 349920, while the sum is 42.

The square root of 539423439 is about 23225.4911465829. The cubic root of 539423439 is about 814.0353618929.

The spelling of 539423439 in words is "five hundred thirty-nine million, four hundred twenty-three thousand, four hundred thirty-nine".