340718 has 8 divisors (see below), whose sum is σ = 584112. Its totient is φ = 146016.

The previous prime is 340709. The next prime is 340723. The reversal of 340718 is 817043.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 340693 and 340702.

It is a congruent number.

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, 12155 + ... + 12182.

It is an arithmetic number, because the mean of its divisors is an integer number (73014).

2³⁴⁰⁷¹⁸ is an apocalyptic number.

340718 is a deficient number, since it is larger than the sum of its proper divisors (243394).

340718 is a wasteful number, since it uses less digits than its factorization.

340718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24346.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 340718 is about 583.7105447052. The cubic root of 340718 is about 69.8444163571.

The spelling of 340718 in words is "three hundred forty thousand, seven hundred eighteen".