279347 has 4 divisors (see below), whose sum is σ = 280440. Its totient is φ = 278256.

The previous prime is 279337. The next prime is 279353. The reversal of 279347 is 743972.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 279347 - 2¹² = 275251 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 279347.

It is not an unprimeable number, because it can be changed into a prime (279317) 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, 68 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (70110).

2²⁷⁹³⁴⁷ is an apocalyptic number.

279347 is a deficient number, since it is larger than the sum of its proper divisors (1093).

279347 is an equidigital number, since it uses as much as digits as its factorization.

279347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

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

The square root of 279347 is about 528.5328750418. The cubic root of 279347 is about 65.3704293241.

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

The spelling of 279347 in words is "two hundred seventy-nine thousand, three hundred forty-seven".