343144393 has 2 divisors, whose sum is σ = 343144394. Its totient is φ = 343144392.

The previous prime is 343144379. The next prime is 343144411. The reversal of 343144393 is 393441343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208282624 + 134861769 = 14432^2 + 11613^2 .

It is a cyclic number.

It is not a de Polignac number, because 343144393 - 2¹³ = 343136201 is a prime.

It is not a weakly prime, because it can be changed into another prime (343145393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171572196 + 171572197.

It is an arithmetic number, because the mean of its divisors is an integer number (171572197).

Almost surely, 2^343144393 is an apocalyptic number.

It is an amenable number.

343144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

343144393 is an equidigital number, since it uses as much as digits as its factorization.

343144393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 34.

The square root of 343144393 is about 18524.1570118589. The cubic root of 343144393 is about 700.0982127503.

The spelling of 343144393 in words is "three hundred forty-three million, one hundred forty-four thousand, three hundred ninety-three".