346945307 has 2 divisors, whose sum is σ = 346945308. Its totient is φ = 346945306.

The previous prime is 346945297. The next prime is 346945343. The reversal of 346945307 is 703549643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346945307 - 2²⁶ = 279836443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346945007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173472653 + 173472654.

It is an arithmetic number, because the mean of its divisors is an integer number (173472654).

Almost surely, 2^346945307 is an apocalyptic number.

346945307 is a deficient number, since it is larger than the sum of its proper divisors (1).

346945307 is an equidigital number, since it uses as much as digits as its factorization.

346945307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 41.

The square root of 346945307 is about 18626.4679153080. The cubic root of 346945307 is about 702.6736572497.

The spelling of 346945307 in words is "three hundred forty-six million, nine hundred forty-five thousand, three hundred seven".