343334909 has 2 divisors, whose sum is σ = 343334910. Its totient is φ = 343334908.

The previous prime is 343334903. The next prime is 343334933. The reversal of 343334909 is 909433343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322202500 + 21132409 = 17950^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 343334909 - 2¹⁶ = 343269373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343334903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171667454 + 171667455.

It is an arithmetic number, because the mean of its divisors is an integer number (171667455).

Almost surely, 2^343334909 is an apocalyptic number.

It is an amenable number.

343334909 is a deficient number, since it is larger than the sum of its proper divisors (1).

343334909 is an equidigital number, since it uses as much as digits as its factorization.

343334909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 38.

The square root of 343334909 is about 18529.2986645475. The cubic root of 343334909 is about 700.2277551402.

The spelling of 343334909 in words is "three hundred forty-three million, three hundred thirty-four thousand, nine hundred nine".