340038971 has 2 divisors, whose sum is σ = 340038972. Its totient is φ = 340038970.

The previous prime is 340038967. The next prime is 340038997. The reversal of 340038971 is 179830043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340038971 - 2² = 340038967 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 (340038911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170019485 + 170019486.

It is an arithmetic number, because the mean of its divisors is an integer number (170019486).

Almost surely, 2^340038971 is an apocalyptic number.

340038971 is a deficient number, since it is larger than the sum of its proper divisors (1).

340038971 is an equidigital number, since it uses as much as digits as its factorization.

340038971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 340038971 is about 18440.1456339152. The cubic root of 340038971 is about 697.9798702744.

The spelling of 340038971 in words is "three hundred forty million, thirty-eight thousand, nine hundred seventy-one".