346628353 has 2 divisors, whose sum is σ = 346628354. Its totient is φ = 346628352.

The previous prime is 346628327. The next prime is 346628357. The reversal of 346628353 is 353826643.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211789809 + 134838544 = 14553^2 + 11612^2 .

It is an emirp because it is prime and its reverse (353826643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346628353 is a prime.

It is not a weakly prime, because it can be changed into another prime (346628357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173314176 + 173314177.

It is an arithmetic number, because the mean of its divisors is an integer number (173314177).

Almost surely, 2^346628353 is an apocalyptic number.

It is an amenable number.

346628353 is a deficient number, since it is larger than the sum of its proper divisors (1).

346628353 is an equidigital number, since it uses as much as digits as its factorization.

346628353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 346628353 is about 18617.9578095988. The cubic root of 346628353 is about 702.4596147889.

The spelling of 346628353 in words is "three hundred forty-six million, six hundred twenty-eight thousand, three hundred fifty-three".