343834873 has 2 divisors, whose sum is σ = 343834874. Its totient is φ = 343834872.

The previous prime is 343834861. The next prime is 343834879. The reversal of 343834873 is 378438343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313892089 + 29942784 = 17717^2 + 5472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343834873 is a prime.

It is a super-2 number, since 2×343834873² = 236444839781852258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343834879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171917436 + 171917437.

It is an arithmetic number, because the mean of its divisors is an integer number (171917437).

Almost surely, 2^343834873 is an apocalyptic number.

It is an amenable number.

343834873 is a deficient number, since it is larger than the sum of its proper divisors (1).

343834873 is an equidigital number, since it uses as much as digits as its factorization.

343834873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 43.

The square root of 343834873 is about 18542.7849310722. The cubic root of 343834873 is about 700.5674806430.

The spelling of 343834873 in words is "three hundred forty-three million, eight hundred thirty-four thousand, eight hundred seventy-three".