239705089 has 8 divisors (see below), whose sum is σ = 258552000. Its totient is φ = 220916496.

The previous prime is 239705087. The next prime is 239705099. The reversal of 239705089 is 980507932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 239705089 - 2¹ = 239705087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239705087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5839 + ... + 22660.

It is an arithmetic number, because the mean of its divisors is an integer number (32319000).

Almost surely, 2^239705089 is an apocalyptic number.

It is an amenable number.

239705089 is a deficient number, since it is larger than the sum of its proper divisors (18846911).

239705089 is a wasteful number, since it uses less digits than its factorization.

239705089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29159.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 239705089 is about 15482.4122474503. The cubic root of 239705089 is about 621.1918532351.

The spelling of 239705089 in words is "two hundred thirty-nine million, seven hundred five thousand, eighty-nine".