239885 has 4 divisors (see below), whose sum is σ = 287868. Its totient is φ = 191904.

The previous prime is 239879. The next prime is 239893. The reversal of 239885 is 588932.

239885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 188356 + 51529 = 434^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 239885 - 2¹² = 235789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23984 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (71967).

2²³⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

239885 is a deficient number, since it is larger than the sum of its proper divisors (47983).

239885 is an equidigital number, since it uses as much as digits as its factorization.

239885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47982.

The product of its digits is 17280, while the sum is 35.

The square root of 239885 is about 489.7805631096. The cubic root of 239885 is about 62.1347226517.

The spelling of 239885 in words is "two hundred thirty-nine thousand, eight hundred eighty-five".