343154393 has 2 divisors, whose sum is σ = 343154394. Its totient is φ = 343154392.

The previous prime is 343154389. The next prime is 343154417. The reversal of 343154393 is 393451343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241709209 + 101445184 = 15547^2 + 10072^2 .

It is an emirp because it is prime and its reverse (393451343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343154393 - 2² = 343154389 is a prime.

It is not a weakly prime, because it can be changed into another prime (343114393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171577196 + 171577197.

It is an arithmetic number, because the mean of its divisors is an integer number (171577197).

Almost surely, 2^343154393 is an apocalyptic number.

It is an amenable number.

343154393 is a deficient number, since it is larger than the sum of its proper divisors (1).

343154393 is an equidigital number, since it uses as much as digits as its factorization.

343154393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 35.

The square root of 343154393 is about 18524.4269277082. The cubic root of 343154393 is about 700.1050134969.

The spelling of 343154393 in words is "three hundred forty-three million, one hundred fifty-four thousand, three hundred ninety-three".