340168 has 16 divisors (see below), whose sum is σ = 645660. Its totient is φ = 168000.

The previous prime is 340129. The next prime is 340169. The reversal of 340168 is 861043.

It can be written as a sum of positive squares in 2 ways, for example, as 338724 + 1444 = 582^2 + 38^2 .

It is a plaindrome in base 15.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (340169) by changing a digit.

340168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 1018.

2³⁴⁰¹⁶⁸ is an apocalyptic number.

It is an amenable number.

340168 is a deficient number, since it is larger than the sum of its proper divisors (305492).

340168 is a wasteful number, since it uses less digits than its factorization.

340168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 340168 is about 583.2392305049. The cubic root of 340168 is about 69.8068142760.

The spelling of 340168 in words is "three hundred forty thousand, one hundred sixty-eight".