348897911 has 2 divisors, whose sum is σ = 348897912. Its totient is φ = 348897910.

The previous prime is 348897883. The next prime is 348897917. The reversal of 348897911 is 119798843.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348897911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348897911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348897917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174448955 + 174448956.

It is an arithmetic number, because the mean of its divisors is an integer number (174448956).

Almost surely, 2^348897911 is an apocalyptic number.

348897911 is a deficient number, since it is larger than the sum of its proper divisors (1).

348897911 is an equidigital number, since it uses as much as digits as its factorization.

348897911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 50.

The square root of 348897911 is about 18678.8091429834. The cubic root of 348897911 is about 703.9894049445.

The spelling of 348897911 in words is "three hundred forty-eight million, eight hundred ninety-seven thousand, nine hundred eleven".