239555 has 4 divisors (see below), whose sum is σ = 287472. Its totient is φ = 191640.

The previous prime is 239543. The next prime is 239557. The reversal of 239555 is 555932.

239555 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 239555 - 2⁴ = 239539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239557) 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 3 ways as a sum of consecutive naturals, for example, 23951 + ... + 23960.

It is an arithmetic number, because the mean of its divisors is an integer number (71868).

2²³⁹⁵⁵⁵ is an apocalyptic number.

239555 is a deficient number, since it is larger than the sum of its proper divisors (47917).

239555 is an equidigital number, since it uses as much as digits as its factorization.

239555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47916.

The product of its digits is 6750, while the sum is 29.

The square root of 239555 is about 489.4435616085. The cubic root of 239555 is about 62.1062175095.

The spelling of 239555 in words is "two hundred thirty-nine thousand, five hundred fifty-five".