347879 has 4 divisors (see below), whose sum is σ = 397584. Its totient is φ = 298176.

The previous prime is 347873. The next prime is 347887. The reversal of 347879 is 978743.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347879 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 347879.

It is not an unprimeable number, because it can be changed into a prime (347873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24842 + ... + 24855.

It is an arithmetic number, because the mean of its divisors is an integer number (99396).

2³⁴⁷⁸⁷⁹ is an apocalyptic number.

347879 is a deficient number, since it is larger than the sum of its proper divisors (49705).

347879 is an equidigital number, since it uses as much as digits as its factorization.

347879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49704.

The product of its digits is 42336, while the sum is 38.

The square root of 347879 is about 589.8126821288. The cubic root of 347879 is about 70.3303433562.

The spelling of 347879 in words is "three hundred forty-seven thousand, eight hundred seventy-nine".