239057239 has 16 divisors (see below), whose sum is σ = 254592000. Its totient is φ = 223999776.

The previous prime is 239057233. The next prime is 239057243. The reversal of 239057239 is 932750932.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 239057239 - 2¹¹ = 239055191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239057233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270292 + ... + 271174.

It is an arithmetic number, because the mean of its divisors is an integer number (15912000).

Almost surely, 2^239057239 is an apocalyptic number.

239057239 is a deficient number, since it is larger than the sum of its proper divisors (15534761).

239057239 is a wasteful number, since it uses less digits than its factorization.

239057239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 239057239 is about 15461.4759644738. The cubic root of 239057239 is about 620.6317173808.

The spelling of 239057239 in words is "two hundred thirty-nine million, fifty-seven thousand, two hundred thirty-nine".