239365 has 12 divisors (see below), whose sum is σ = 334476. Its totient is φ = 163968.

The previous prime is 239357. The next prime is 239383. The reversal of 239365 is 563932.

239365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 164836 + 74529 = 406^2 + 273^2 .

It is not a de Polignac number, because 239365 - 2³ = 239357 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (27873).

2²³⁹³⁶⁵ is an apocalyptic number.

239365 is the 245-th decagonal number.

It is an amenable number.

239365 is a deficient number, since it is larger than the sum of its proper divisors (95111).

239365 is an equidigital number, since it uses as much as digits as its factorization.

239365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 989 counting only the distinct ones).

The product of its digits is 4860, while the sum is 28.

The square root of 239365 is about 489.2494251402. The cubic root of 239365 is about 62.0897935813.

The spelling of 239365 in words is "two hundred thirty-nine thousand, three hundred sixty-five".