343447 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 305760.

The previous prime is 343433. The next prime is 343481. The reversal of 343447 is 744343.

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

It is a de Polignac number, because none of the positive numbers 2^k-343447 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 343447.

It is not an unprimeable number, because it can be changed into a prime (343547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2³⁴³⁴⁴⁷ is an apocalyptic number.

343447 is a deficient number, since it is larger than the sum of its proper divisors (39593).

343447 is a wasteful number, since it uses less digits than its factorization.

343447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its digits is 4032, while the sum is 25.

The square root of 343447 is about 586.0435137428. The cubic root of 343447 is about 70.0303949634.

It can be divided in two parts, 3434 and 47, that added together give a square (3481 = 59²).

The spelling of 343447 in words is "three hundred forty-three thousand, four hundred forty-seven", and thus it is an iban number.