346056149 has 2 divisors, whose sum is σ = 346056150. Its totient is φ = 346056148.

The previous prime is 346056121. The next prime is 346056157. The reversal of 346056149 is 941650643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219336100 + 126720049 = 14810^2 + 11257^2 .

It is an emirp because it is prime and its reverse (941650643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346056149 - 2²⁸ = 77620693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346056649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173028074 + 173028075.

It is an arithmetic number, because the mean of its divisors is an integer number (173028075).

Almost surely, 2^346056149 is an apocalyptic number.

It is an amenable number.

346056149 is a deficient number, since it is larger than the sum of its proper divisors (1).

346056149 is an equidigital number, since it uses as much as digits as its factorization.

346056149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 346056149 is about 18602.5844709814. The cubic root of 346056149 is about 702.0728686030.

The spelling of 346056149 in words is "three hundred forty-six million, fifty-six thousand, one hundred forty-nine".