3447347 has 2 divisors, whose sum is σ = 3447348. Its totient is φ = 3447346.

The previous prime is 3447329. The next prime is 3447349. The reversal of 3447347 is 7437443.

3447347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3447347 - 2⁸ = 3447091 is a prime.

Together with 3447349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3447349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723673 + 1723674.

It is an arithmetic number, because the mean of its divisors is an integer number (1723674).

Almost surely, 2^3447347 is an apocalyptic number.

3447347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3447347 is an equidigital number, since it uses as much as digits as its factorization.

3447347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 32.

The square root of 3447347 is about 1856.7032611594. The cubic root of 3447347 is about 151.0642388546.

The spelling of 3447347 in words is "three million, four hundred forty-seven thousand, three hundred forty-seven".