346898161 has 2 divisors, whose sum is σ = 346898162. Its totient is φ = 346898160.

The previous prime is 346898147. The next prime is 346898179. The reversal of 346898161 is 161898643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235469025 + 111429136 = 15345^2 + 10556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346898161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346898191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173449080 + 173449081.

It is an arithmetic number, because the mean of its divisors is an integer number (173449081).

Almost surely, 2^346898161 is an apocalyptic number.

It is an amenable number.

346898161 is a deficient number, since it is larger than the sum of its proper divisors (1).

346898161 is an equidigital number, since it uses as much as digits as its factorization.

346898161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 346898161 is about 18625.2023076261. The cubic root of 346898161 is about 702.6418273020.

The spelling of 346898161 in words is "three hundred forty-six million, eight hundred ninety-eight thousand, one hundred sixty-one".