343344749 has 4 divisors (see below), whose sum is σ = 374557920. Its totient is φ = 312131580.

The previous prime is 343344739. The next prime is 343344751. The reversal of 343344749 is 947443343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343344749 - 2⁸ = 343344493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343344709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15606569 + ... + 15606590.

It is an arithmetic number, because the mean of its divisors is an integer number (93639480).

Almost surely, 2^343344749 is an apocalyptic number.

It is an amenable number.

343344749 is a deficient number, since it is larger than the sum of its proper divisors (31213171).

343344749 is a wasteful number, since it uses less digits than its factorization.

343344749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31213170.

The product of its digits is 435456, while the sum is 41.

The square root of 343344749 is about 18529.5641880752. The cubic root of 343344749 is about 700.2344446001.

The spelling of 343344749 in words is "three hundred forty-three million, three hundred forty-four thousand, seven hundred forty-nine".