343618 has 8 divisors (see below), whose sum is σ = 562320. Its totient is φ = 156180.

The previous prime is 343601. The next prime is 343627. The reversal of 343618 is 816343.

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 junction number, because it is equal to n+sod(n) for n = 343592 and 343601.

It is an unprimeable number.

343618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7788 + ... + 7831.

It is an arithmetic number, because the mean of its divisors is an integer number (70290).

2³⁴³⁶¹⁸ is an apocalyptic number.

343618 is a deficient number, since it is larger than the sum of its proper divisors (218702).

343618 is a wasteful number, since it uses less digits than its factorization.

343618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15632.

The product of its digits is 1728, while the sum is 25.

The square root of 343618 is about 586.1893891909. The cubic root of 343618 is about 70.0420155926.

It can be divided in two parts, 343 and 618, that added together give a square (961 = 31²).

The spelling of 343618 in words is "three hundred forty-three thousand, six hundred eighteen".