239929 has 2 divisors, whose sum is σ = 239930. Its totient is φ = 239928.

The previous prime is 239893. The next prime is 239933. The reversal of 239929 is 929932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182329 + 57600 = 427^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 239929 - 2⁹ = 239417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239894 and 239903.

It is not a weakly prime, because it can be changed into another prime (239999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119964 + 119965.

It is an arithmetic number, because the mean of its divisors is an integer number (119965).

2²³⁹⁹²⁹ is an apocalyptic number.

It is an amenable number.

239929 is a deficient number, since it is larger than the sum of its proper divisors (1).

239929 is an equidigital number, since it uses as much as digits as its factorization.

239929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The square root of 239929 is about 489.8254791250. The cubic root of 239929 is about 62.1385213617.

The spelling of 239929 in words is "two hundred thirty-nine thousand, nine hundred twenty-nine".