340418 has 8 divisors (see below), whose sum is σ = 549948. Its totient is φ = 157104.

The previous prime is 340409. The next prime is 340429. The reversal of 340418 is 814043.

It can be written as a sum of positive squares in 2 ways, for example, as 339889 + 529 = 583^2 + 23^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 340418.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340418.

It is an unprimeable number.

340418 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, 6521 + ... + 6572.

2³⁴⁰⁴¹⁸ is an apocalyptic number.

340418 is a deficient number, since it is larger than the sum of its proper divisors (209530).

340418 is a wasteful number, since it uses less digits than its factorization.

340418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13108.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 340418 is about 583.4535114300. The cubic root of 340418 is about 69.8239111517.

The spelling of 340418 in words is "three hundred forty thousand, four hundred eighteen".