340038289 has 2 divisors, whose sum is σ = 340038290. Its totient is φ = 340038288.

The previous prime is 340038277. The next prime is 340038313. The reversal of 340038289 is 982830043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233845264 + 106193025 = 15292^2 + 10305^2 .

It is a cyclic number.

It is not a de Polignac number, because 340038289 - 2⁹ = 340037777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340038239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170019144 + 170019145.

It is an arithmetic number, because the mean of its divisors is an integer number (170019145).

Almost surely, 2^340038289 is an apocalyptic number.

It is an amenable number.

340038289 is a deficient number, since it is larger than the sum of its proper divisors (1).

340038289 is an equidigital number, since it uses as much as digits as its factorization.

340038289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 340038289 is about 18440.1271416441. The cubic root of 340038289 is about 697.9794036391.

The spelling of 340038289 in words is "three hundred forty million, thirty-eight thousand, two hundred eighty-nine".