539908239 has 8 divisors (see below), whose sum is σ = 775252912. Its totient is φ = 332251200.

The previous prime is 539908231. The next prime is 539908267. The reversal of 539908239 is 932809935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 539908239 - 2³ = 539908231 is a prime.

It is a super-2 number, since 2×539908239² = 583001813080162242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539908231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6921862 + ... + 6921939.

It is an arithmetic number, because the mean of its divisors is an integer number (96906614).

Almost surely, 2^539908239 is an apocalyptic number.

539908239 is a deficient number, since it is larger than the sum of its proper divisors (235344673).

539908239 is a wasteful number, since it uses less digits than its factorization.

539908239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13843817.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 539908239 is about 23235.9256110016. The cubic root of 539908239 is about 814.2791568702.

The spelling of 539908239 in words is "five hundred thirty-nine million, nine hundred eight thousand, two hundred thirty-nine".