238960289 has 2 divisors, whose sum is σ = 238960290. Its totient is φ = 238960288.

The previous prime is 238960277. The next prime is 238960301. The reversal of 238960289 is 982069832.

It is a balanced prime because it is at equal distance from previous prime (238960277) and next prime (238960301).

It can be written as a sum of positive squares in only one way, i.e., 187909264 + 51051025 = 13708^2 + 7145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238960289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (238960219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119480144 + 119480145.

It is an arithmetic number, because the mean of its divisors is an integer number (119480145).

Almost surely, 2^238960289 is an apocalyptic number.

It is an amenable number.

238960289 is a deficient number, since it is larger than the sum of its proper divisors (1).

238960289 is an equidigital number, since it uses as much as digits as its factorization.

238960289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 238960289 is about 15458.3404348591. The cubic root of 238960289 is about 620.5478066807.

The spelling of 238960289 in words is "two hundred thirty-eight million, nine hundred sixty thousand, two hundred eighty-nine".