343457693 has 2 divisors, whose sum is σ = 343457694. Its totient is φ = 343457692.

The previous prime is 343457683. The next prime is 343457707. The reversal of 343457693 is 396754343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322094809 + 21362884 = 17947^2 + 4622^2 .

It is a cyclic number.

It is not a de Polignac number, because 343457693 - 2²⁸ = 75022237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343457683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171728846 + 171728847.

It is an arithmetic number, because the mean of its divisors is an integer number (171728847).

Almost surely, 2^343457693 is an apocalyptic number.

It is an amenable number.

343457693 is a deficient number, since it is larger than the sum of its proper divisors (1).

343457693 is an equidigital number, since it uses as much as digits as its factorization.

343457693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The square root of 343457693 is about 18532.6116076499. The cubic root of 343457693 is about 700.3112173957.

The spelling of 343457693 in words is "three hundred forty-three million, four hundred fifty-seven thousand, six hundred ninety-three".