347279 has 4 divisors (see below), whose sum is σ = 348840. Its totient is φ = 345720.

The previous prime is 347257. The next prime is 347287. The reversal of 347279 is 972743.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972743 = 19 ⋅51197.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347209) 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, 377 + ... + 914.

It is an arithmetic number, because the mean of its divisors is an integer number (87210).

2³⁴⁷²⁷⁹ is an apocalyptic number.

347279 is a deficient number, since it is larger than the sum of its proper divisors (1561).

347279 is a wasteful number, since it uses less digits than its factorization.

347279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its digits is 10584, while the sum is 32.

The square root of 347279 is about 589.3038265615. The cubic root of 347279 is about 70.2898862916.

It can be divided in two parts, 347 and 279, that added together give a palindrome (626).

The spelling of 347279 in words is "three hundred forty-seven thousand, two hundred seventy-nine".