340307417 has 2 divisors, whose sum is σ = 340307418. Its totient is φ = 340307416.

The previous prime is 340307413. The next prime is 340307419. The reversal of 340307417 is 714703043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311028496 + 29278921 = 17636^2 + 5411^2 .

It is a cyclic number.

It is not a de Polignac number, because 340307417 - 2² = 340307413 is a prime.

Together with 340307419, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340307417.

It is not a weakly prime, because it can be changed into another prime (340307413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170153708 + 170153709.

It is an arithmetic number, because the mean of its divisors is an integer number (170153709).

Almost surely, 2^340307417 is an apocalyptic number.

It is an amenable number.

340307417 is a deficient number, since it is larger than the sum of its proper divisors (1).

340307417 is an equidigital number, since it uses as much as digits as its factorization.

340307417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 340307417 is about 18447.4230449676. The cubic root of 340307417 is about 698.1634968928.

The spelling of 340307417 in words is "three hundred forty million, three hundred seven thousand, four hundred seventeen".