343199473 has 2 divisors, whose sum is σ = 343199474. Its totient is φ = 343199472.

The previous prime is 343199443. The next prime is 343199501. The reversal of 343199473 is 374991343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280663009 + 62536464 = 16753^2 + 7908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343199473 is a prime.

It is not a weakly prime, because it can be changed into another prime (343199443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171599736 + 171599737.

It is an arithmetic number, because the mean of its divisors is an integer number (171599737).

Almost surely, 2^343199473 is an apocalyptic number.

It is an amenable number.

343199473 is a deficient number, since it is larger than the sum of its proper divisors (1).

343199473 is an equidigital number, since it uses as much as digits as its factorization.

343199473 is an evil number, because the sum of its binary digits is even.

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

The square root of 343199473 is about 18525.6436595331. The cubic root of 343199473 is about 700.1356696220.

The spelling of 343199473 in words is "three hundred forty-three million, one hundred ninety-nine thousand, four hundred seventy-three".