343748109 has 16 divisors (see below), whose sum is σ = 485671680. Its totient is φ = 215516160.

The previous prime is 343748099. The next prime is 343748113. The reversal of 343748109 is 901847343.

It is not a de Polignac number, because 343748109 - 2⁸ = 343747853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343748129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108652 + ... + 111770.

It is an arithmetic number, because the mean of its divisors is an integer number (30354480).

Almost surely, 2^343748109 is an apocalyptic number.

It is an amenable number.

343748109 is a deficient number, since it is larger than the sum of its proper divisors (141923571).

343748109 is a wasteful number, since it uses less digits than its factorization.

343748109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 343748109 is about 18540.4452211914. The cubic root of 343748109 is about 700.5085481387.

The spelling of 343748109 in words is "three hundred forty-three million, seven hundred forty-eight thousand, one hundred nine".