342829843 has 2 divisors, whose sum is σ = 342829844. Its totient is φ = 342829842.

The previous prime is 342829777. The next prime is 342829847. The reversal of 342829843 is 348928243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342829843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342829843.

It is not a weakly prime, because it can be changed into another prime (342829847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171414921 + 171414922.

It is an arithmetic number, because the mean of its divisors is an integer number (171414922).

Almost surely, 2^342829843 is an apocalyptic number.

342829843 is a deficient number, since it is larger than the sum of its proper divisors (1).

342829843 is an equidigital number, since it uses as much as digits as its factorization.

342829843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 342829843 is about 18515.6648003792. The cubic root of 342829843 is about 699.8842277924.

The spelling of 342829843 in words is "three hundred forty-two million, eight hundred twenty-nine thousand, eight hundred forty-three".