340347907 has 2 divisors, whose sum is σ = 340347908. Its totient is φ = 340347906.

The previous prime is 340347899. The next prime is 340347913. The reversal of 340347907 is 709743043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340347907 - 2³ = 340347899 is a prime.

It is not a weakly prime, because it can be changed into another prime (340357907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170173953 + 170173954.

It is an arithmetic number, because the mean of its divisors is an integer number (170173954).

Almost surely, 2^340347907 is an apocalyptic number.

340347907 is a deficient number, since it is larger than the sum of its proper divisors (1).

340347907 is an equidigital number, since it uses as much as digits as its factorization.

340347907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 340347907 is about 18448.5204555813. The cubic root of 340347907 is about 698.1911851118.

The spelling of 340347907 in words is "three hundred forty million, three hundred forty-seven thousand, nine hundred seven".