349041907 has 2 divisors, whose sum is σ = 349041908. Its totient is φ = 349041906.

The previous prime is 349041877. The next prime is 349041911. The reversal of 349041907 is 709140943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349041907 is a prime.

It is not a weakly prime, because it can be changed into another prime (349041947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174520953 + 174520954.

It is an arithmetic number, because the mean of its divisors is an integer number (174520954).

Almost surely, 2^349041907 is an apocalyptic number.

349041907 is a deficient number, since it is larger than the sum of its proper divisors (1).

349041907 is an equidigital number, since it uses as much as digits as its factorization.

349041907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 349041907 is about 18682.6632737412. The cubic root of 349041907 is about 704.0862410222.

The spelling of 349041907 in words is "three hundred forty-nine million, forty-one thousand, nine hundred seven".