343658 has 8 divisors (see below), whose sum is σ = 589152. Its totient is φ = 147276.

The previous prime is 343649. The next prime is 343661. The reversal of 343658 is 856343.

343658 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 343658.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12260 + ... + 12287.

It is an arithmetic number, because the mean of its divisors is an integer number (73644).

2³⁴³⁶⁵⁸ is an apocalyptic number.

343658 is a deficient number, since it is larger than the sum of its proper divisors (245494).

343658 is a wasteful number, since it uses less digits than its factorization.

343658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24556.

The product of its digits is 8640, while the sum is 29.

The square root of 343658 is about 586.2235068641. The cubic root of 343658 is about 70.0447333120.

It can be divided in two parts, 343 and 658, that added together give a palindrome (1001).

The spelling of 343658 in words is "three hundred forty-three thousand, six hundred fifty-eight".