239941 has 4 divisors (see below), whose sum is σ = 258412. Its totient is φ = 221472.

The previous prime is 239933. The next prime is 239947. The reversal of 239941 is 149932.

It is a happy number.

239941 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 103041 + 136900 = 321^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 239941 - 2³ = 239933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9216 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (64603).

2²³⁹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

239941 is a deficient number, since it is larger than the sum of its proper divisors (18471).

239941 is a wasteful number, since it uses less digits than its factorization.

239941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470.

The product of its digits is 1944, while the sum is 28.

The square root of 239941 is about 489.8377282325. The cubic root of 239941 is about 62.1395572929.

Subtracting from 239941 its reverse (149932), we obtain a palindrome (90009).

The spelling of 239941 in words is "two hundred thirty-nine thousand, nine hundred forty-one".