343398907 has 2 divisors, whose sum is σ = 343398908. Its totient is φ = 343398906.

The previous prime is 343398893. The next prime is 343398931. The reversal of 343398907 is 709893343.

It is a weak prime.

It is an emirp because it is prime and its reverse (709893343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343398907 - 2¹⁵ = 343366139 is a prime.

It is not a weakly prime, because it can be changed into another prime (343390907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171699453 + 171699454.

It is an arithmetic number, because the mean of its divisors is an integer number (171699454).

Almost surely, 2^343398907 is an apocalyptic number.

343398907 is a deficient number, since it is larger than the sum of its proper divisors (1).

343398907 is an equidigital number, since it uses as much as digits as its factorization.

343398907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 343398907 is about 18531.0255247787. The cubic root of 343398907 is about 700.2712601753.

The spelling of 343398907 in words is "three hundred forty-three million, three hundred ninety-eight thousand, nine hundred seven".