343402099 has 2 divisors, whose sum is σ = 343402100. Its totient is φ = 343402098.

The previous prime is 343402093. The next prime is 343402109. The reversal of 343402099 is 990204343.

It is a weak prime.

It is an emirp because it is prime and its reverse (990204343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343402099 is a prime.

It is not a weakly prime, because it can be changed into another prime (343402093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171701049 + 171701050.

It is an arithmetic number, because the mean of its divisors is an integer number (171701050).

Almost surely, 2^343402099 is an apocalyptic number.

343402099 is a deficient number, since it is larger than the sum of its proper divisors (1).

343402099 is an equidigital number, since it uses as much as digits as its factorization.

343402099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 343402099 is about 18531.1116504110. Note that the first 3 decimals coincide. The cubic root of 343402099 is about 700.2734299152.

The spelling of 343402099 in words is "three hundred forty-three million, four hundred two thousand, ninety-nine".