347897443 has 2 divisors, whose sum is σ = 347897444. Its totient is φ = 347897442.

The previous prime is 347897441. The next prime is 347897447. The reversal of 347897443 is 344798743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 347897443 - 2¹ = 347897441 is a prime.

Together with 347897441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (347897441) 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, 173948721 + 173948722.

It is an arithmetic number, because the mean of its divisors is an integer number (173948722).

Almost surely, 2^347897443 is an apocalyptic number.

347897443 is a deficient number, since it is larger than the sum of its proper divisors (1).

347897443 is an equidigital number, since it uses as much as digits as its factorization.

347897443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The square root of 347897443 is about 18652.0090874951. The cubic root of 347897443 is about 703.3158620179.

The spelling of 347897443 in words is "three hundred forty-seven million, eight hundred ninety-seven thousand, four hundred forty-three".