347469 has 4 divisors (see below), whose sum is σ = 463296. Its totient is φ = 231644.

The previous prime is 347443. The next prime is 347489. The reversal of 347469 is 964743.

347469 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 347469 - 2⁵ = 347437 is a prime.

It is a super-2 number, since 2×347469² = 241469411922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3⁵ + 4⁶ + 4⁶ + 7² + 6⁷ + 9⁵ .

It is a D-number.

347469 is strictly pandigital in base 7.

347469 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57909 + ... + 57914.

It is an arithmetic number, because the mean of its divisors is an integer number (115824).

2³⁴⁷⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

347469 is a deficient number, since it is larger than the sum of its proper divisors (115827).

347469 is a wasteful number, since it uses less digits than its factorization.

347469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115826.

The product of its digits is 18144, while the sum is 33.

The square root of 347469 is about 589.4650116843. The cubic root of 347469 is about 70.3027027337.

It can be divided in two parts, 34 and 7469, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 347469 in words is "three hundred forty-seven thousand, four hundred sixty-nine".