239942 has 4 divisors (see below), whose sum is σ = 359916. Its totient is φ = 119970.

The previous prime is 239933. The next prime is 239947. The reversal of 239942 is 249932.

239942 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 is a congruent number.

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

239942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59984 + ... + 59987.

It is an arithmetic number, because the mean of its divisors is an integer number (89979).

2²³⁹⁹⁴² is an apocalyptic number.

239942 is a deficient number, since it is larger than the sum of its proper divisors (119974).

239942 is a wasteful number, since it uses less digits than its factorization.

239942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119973.

The product of its digits is 3888, while the sum is 29.

The square root of 239942 is about 489.8387489777. The cubic root of 239942 is about 62.1396436189.

The spelling of 239942 in words is "two hundred thirty-nine thousand, nine hundred forty-two".