229739 has 2 divisors, whose sum is σ = 229740. Its totient is φ = 229738.

The previous prime is 229727. The next prime is 229751. The reversal of 229739 is 937922.

229739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (229727) and next prime (229751).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229739 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114869 + 114870.

It is an arithmetic number, because the mean of its divisors is an integer number (114870).

2²²⁹⁷³⁹ is an apocalyptic number.

229739 is a deficient number, since it is larger than the sum of its proper divisors (1).

229739 is an equidigital number, since it uses as much as digits as its factorization.

229739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 32.

The square root of 229739 is about 479.3109637803. The cubic root of 229739 is about 61.2460722179.

The spelling of 229739 in words is "two hundred twenty-nine thousand, seven hundred thirty-nine".