239489 has 2 divisors, whose sum is σ = 239490. Its totient is φ = 239488.

The previous prime is 239461. The next prime is 239509. The reversal of 239489 is 984932.

239489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211600 + 27889 = 460^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 239489 - 2⁸ = 239233 is a prime.

It is a super-2 number, since 2×239489² = 114709962242, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3¹¹ + 4 + 9³ + 8³ + 9⁵ .

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (239429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119744 + 119745.

It is an arithmetic number, because the mean of its divisors is an integer number (119745).

2²³⁹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

239489 is a deficient number, since it is larger than the sum of its proper divisors (1).

239489 is an equidigital number, since it uses as much as digits as its factorization.

239489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 239489 is about 489.3761334597. The cubic root of 239489 is about 62.1005133402.

The spelling of 239489 in words is "two hundred thirty-nine thousand, four hundred eighty-nine".