347799 has 4 divisors (see below), whose sum is σ = 463736. Its totient is φ = 231864.

The previous prime is 347779. The next prime is 347801. The reversal of 347799 is 997743.

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

It is not a de Polignac number, because 347799 - 2⁷ = 347671 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

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 347799.

It is not an unprimeable number, because it can be changed into a prime (347729) 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, 57964 + ... + 57969.

It is an arithmetic number, because the mean of its divisors is an integer number (115934).

2³⁴⁷⁷⁹⁹ is an apocalyptic number.

347799 is a deficient number, since it is larger than the sum of its proper divisors (115937).

347799 is a wasteful number, since it uses less digits than its factorization.

347799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115936.

The product of its digits is 47628, while the sum is 39.

The square root of 347799 is about 589.7448600878. The cubic root of 347799 is about 70.3249517701.

The spelling of 347799 in words is "three hundred forty-seven thousand, seven hundred ninety-nine".