343394709 has 16 divisors (see below), whose sum is σ = 523794432. Its totient is φ = 196028208.

The previous prime is 343394677. The next prime is 343394717. The reversal of 343394709 is 907493343.

It is not a de Polignac number, because 343394709 - 2⁵ = 343394677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343394729) 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, 14632 + ... + 30014.

It is an arithmetic number, because the mean of its divisors is an integer number (32737152).

Almost surely, 2^343394709 is an apocalyptic number.

It is an amenable number.

343394709 is a deficient number, since it is larger than the sum of its proper divisors (180399723).

343394709 is a wasteful number, since it uses less digits than its factorization.

343394709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 343394709 is about 18530.9122549323. The cubic root of 343394709 is about 700.2684065934.

The spelling of 343394709 in words is "three hundred forty-three million, three hundred ninety-four thousand, seven hundred nine".