346402349 has 2 divisors, whose sum is σ = 346402350. Its totient is φ = 346402348.

The previous prime is 346402321. The next prime is 346402351. The reversal of 346402349 is 943204643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341584324 + 4818025 = 18482^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 346402349 - 2⁸ = 346402093 is a prime.

Together with 346402351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346402249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173201174 + 173201175.

It is an arithmetic number, because the mean of its divisors is an integer number (173201175).

Almost surely, 2^346402349 is an apocalyptic number.

It is an amenable number.

346402349 is a deficient number, since it is larger than the sum of its proper divisors (1).

346402349 is an equidigital number, since it uses as much as digits as its factorization.

346402349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 346402349 is about 18611.8873035488. The cubic root of 346402349 is about 702.3069121438.

The spelling of 346402349 in words is "three hundred forty-six million, four hundred two thousand, three hundred forty-nine".