347247 has 12 divisors (see below), whose sum is σ = 520520. Its totient is φ = 231336.

The previous prime is 347239. The next prime is 347251. The reversal of 347247 is 742743.

It is not a de Polignac number, because 347247 - 2³ = 347239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 347247.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347247.

It is not an unprimeable number, because it can be changed into a prime (347227) 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 in 11 ways as a sum of consecutive naturals, for example, 472 + ... + 957.

2³⁴⁷²⁴⁷ is an apocalyptic number.

347247 is a deficient number, since it is larger than the sum of its proper divisors (173273).

347247 is an equidigital number, since it uses as much as digits as its factorization.

347247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1432 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 347247 is about 589.2766752554. The cubic root of 347247 is about 70.2877272730.

The spelling of 347247 in words is "three hundred forty-seven thousand, two hundred forty-seven", and thus it is an iban number.