347447 has 4 divisors (see below), whose sum is σ = 348816. Its totient is φ = 346080.

The previous prime is 347443. The next prime is 347489. The reversal of 347447 is 744743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 347447 - 2² = 347443 is a prime.

It is a Duffinian number.

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 347447.

It is not an unprimeable number, because it can be changed into a prime (347443) 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 3 ways as a sum of consecutive naturals, for example, 179 + ... + 852.

It is an arithmetic number, because the mean of its divisors is an integer number (87204).

2³⁴⁷⁴⁴⁷ is an apocalyptic number.

347447 is a deficient number, since it is larger than the sum of its proper divisors (1369).

347447 is a wasteful number, since it uses less digits than its factorization.

347447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368.

The product of its digits is 9408, while the sum is 29.

The square root of 347447 is about 589.4463504001. The cubic root of 347447 is about 70.3012189638.

The spelling of 347447 in words is "three hundred forty-seven thousand, four hundred forty-seven", and thus it is an iban number.