347473849 has 2 divisors, whose sum is σ = 347473850. Its totient is φ = 347473848.

The previous prime is 347473817. The next prime is 347473871. The reversal of 347473849 is 948374743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246270249 + 101203600 = 15693^2 + 10060^2 .

It is an emirp because it is prime and its reverse (948374743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 347473849 - 2⁵ = 347473817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (347483849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173736924 + 173736925.

It is an arithmetic number, because the mean of its divisors is an integer number (173736925).

Almost surely, 2^347473849 is an apocalyptic number.

It is an amenable number.

347473849 is a deficient number, since it is larger than the sum of its proper divisors (1).

347473849 is an equidigital number, since it uses as much as digits as its factorization.

347473849 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 347473849 is about 18640.6504446599. The cubic root of 347473849 is about 703.0302976163.

The spelling of 347473849 in words is "three hundred forty-seven million, four hundred seventy-three thousand, eight hundred forty-nine".