351744347 has 2 divisors, whose sum is σ = 351744348. Its totient is φ = 351744346.

The previous prime is 351744319. The next prime is 351744389. The reversal of 351744347 is 743447153.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 351744347 - 2¹⁰ = 351743323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351744347.

It is not a weakly prime, because it can be changed into another prime (351744247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175872173 + 175872174.

It is an arithmetic number, because the mean of its divisors is an integer number (175872174).

Almost surely, 2^351744347 is an apocalyptic number.

351744347 is a deficient number, since it is larger than the sum of its proper divisors (1).

351744347 is an equidigital number, since it uses as much as digits as its factorization.

351744347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The square root of 351744347 is about 18754.8486264219. The cubic root of 351744347 is about 705.8986892748.

The spelling of 351744347 in words is "three hundred fifty-one million, seven hundred forty-four thousand, three hundred forty-seven".