343472819 has 2 divisors, whose sum is σ = 343472820. Its totient is φ = 343472818.

The previous prime is 343472719. The next prime is 343472873. The reversal of 343472819 is 918274343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343472819 - 2²⁸ = 75037363 is a prime.

It is a super-2 number, since 2×343472819² = 235947154783613522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343472719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171736409 + 171736410.

It is an arithmetic number, because the mean of its divisors is an integer number (171736410).

Almost surely, 2^343472819 is an apocalyptic number.

343472819 is a deficient number, since it is larger than the sum of its proper divisors (1).

343472819 is an equidigital number, since it uses as much as digits as its factorization.

343472819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 343472819 is about 18533.0196945884. The cubic root of 343472819 is about 700.3214978972.

The spelling of 343472819 in words is "three hundred forty-three million, four hundred seventy-two thousand, eight hundred nineteen".