239585069 has 8 divisors (see below), whose sum is σ = 244735992. Its totient is φ = 234457600.

The previous prime is 239585057. The next prime is 239585077. The reversal of 239585069 is 960585932.

It can be written as a sum of positive squares in 4 ways, for example, as 104142025 + 135443044 = 10205^2 + 11638^2 .

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 239585069 - 2¹² = 239580973 is a prime.

It is a super-2 number, since 2×239585069² = 114802010575469522, 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 (239585009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15617 + ... + 26889.

It is an arithmetic number, because the mean of its divisors is an integer number (30591999).

Almost surely, 2^239585069 is an apocalyptic number.

It is an amenable number.

239585069 is a deficient number, since it is larger than the sum of its proper divisors (5150923).

239585069 is a wasteful number, since it uses less digits than its factorization.

239585069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 239585069 is about 15478.5357511620. The cubic root of 239585069 is about 621.0881592984.

The spelling of 239585069 in words is "two hundred thirty-nine million, five hundred eighty-five thousand, sixty-nine".