343993471 has 2 divisors, whose sum is σ = 343993472. Its totient is φ = 343993470.

The previous prime is 343993411. The next prime is 343993493. The reversal of 343993471 is 174399343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343993471 - 2¹¹ = 343991423 is a prime.

It is a super-3 number, since 3×343993471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343993411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171996735 + 171996736.

It is an arithmetic number, because the mean of its divisors is an integer number (171996736).

Almost surely, 2^343993471 is an apocalyptic number.

343993471 is a deficient number, since it is larger than the sum of its proper divisors (1).

343993471 is an equidigital number, since it uses as much as digits as its factorization.

343993471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 343993471 is about 18547.0609801122. The cubic root of 343993471 is about 700.6751791644.

The spelling of 343993471 in words is "three hundred forty-three million, nine hundred ninety-three thousand, four hundred seventy-one".