239216039 has 4 divisors (see below), whose sum is σ = 239247720. Its totient is φ = 239184360.

The previous prime is 239216011. The next prime is 239216053. The reversal of 239216039 is 930612932.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 239216039 - 2¹² = 239211943 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 (239216059) 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 3 ways as a sum of consecutive naturals, for example, 2792 + ... + 22050.

It is an arithmetic number, because the mean of its divisors is an integer number (59811930).

Almost surely, 2^239216039 is an apocalyptic number.

239216039 is a deficient number, since it is larger than the sum of its proper divisors (31681).

239216039 is a wasteful number, since it uses less digits than its factorization.

239216039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31680.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 239216039 is about 15466.6104560760. The cubic root of 239216039 is about 620.7691105596.

The spelling of 239216039 in words is "two hundred thirty-nine million, two hundred sixteen thousand, thirty-nine".