340318 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 149400.

The previous prime is 340297. The next prime is 340321. The reversal of 340318 is 813043.

It is a super-2 number, since 2×340318² = 231632682248, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 340295 and 340304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2³⁴⁰³¹⁸ is an apocalyptic number.

340318 is a deficient number, since it is larger than the sum of its proper divisors (235682).

340318 is a wasteful number, since it uses less digits than its factorization.

340318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 340318 is about 583.3678085051. The cubic root of 340318 is about 69.8170734063.

The spelling of 340318 in words is "three hundred forty thousand, three hundred eighteen".