347479 has 8 divisors (see below), whose sum is σ = 391680. Its totient is φ = 305400.

The previous prime is 347443. The next prime is 347489. The reversal of 347479 is 974743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 347479 - 2¹¹ = 345431 is a prime.

It is a Duffinian number.

347479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347489) 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 7 ways as a sum of consecutive naturals, for example, 169 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (48960).

2³⁴⁷⁴⁷⁹ is an apocalyptic number.

347479 is a deficient number, since it is larger than the sum of its proper divisors (44201).

347479 is a wasteful number, since it uses less digits than its factorization.

347479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 21168, while the sum is 34.

The square root of 347479 is about 589.4734938909. The cubic root of 347479 is about 70.3033771538.

Subtracting 347479 from its reverse (974743), we obtain a square (627264 = 792²).

It can be divided in two parts, 3474 and 79, that added together give a palindrome (3553).

The spelling of 347479 in words is "three hundred forty-seven thousand, four hundred seventy-nine".