343668 has 24 divisors (see below), whose sum is σ = 863968. Its totient is φ = 105696.

The previous prime is 343667. The next prime is 343687. The reversal of 343668 is 866343.

It is a d-powerful number, because it can be written as 3⁵ + 4⁷ + 6⁵ + 3⁸ + 6⁷ + 8⁵ .

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 343668.

It is not an unprimeable number, because it can be changed into a prime (343661) 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, 946 + ... + 1257.

2³⁴³⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

343668 is an abundant number, since it is smaller than the sum of its proper divisors (520300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343668 is a wasteful number, since it uses less digits than its factorization.

343668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2221 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 343668 is about 586.2320359721. The cubic root of 343668 is about 70.0454127089.

The spelling of 343668 in words is "three hundred forty-three thousand, six hundred sixty-eight".