344705347 has 12 divisors (see below), whose sum is σ = 418419216. Its totient is φ = 282614640.

The previous prime is 344705341. The next prime is 344705359. The reversal of 344705347 is 743507443.

It is not a de Polignac number, because 344705347 - 2⁷ = 344705219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344705341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151804 + ... + 154057.

It is an arithmetic number, because the mean of its divisors is an integer number (34868268).

Almost surely, 2^344705347 is an apocalyptic number.

344705347 is a deficient number, since it is larger than the sum of its proper divisors (73713869).

344705347 is a wasteful number, since it uses less digits than its factorization.

344705347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305898 (or 305891 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 37.

The square root of 344705347 is about 18566.2421345839. The cubic root of 344705347 is about 701.1581826758.

The spelling of 344705347 in words is "three hundred forty-four million, seven hundred five thousand, three hundred forty-seven".