413818 has 4 divisors (see below), whose sum is σ = 620730. Its totient is φ = 206908.

The previous prime is 413807. The next prime is 413827. The reversal of 413818 is 818314.

413818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 368449 + 45369 = 607^2 + 213^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 413792 and 413801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103453 + ... + 103456.

2⁴¹³⁸¹⁸ is an apocalyptic number.

413818 is a deficient number, since it is larger than the sum of its proper divisors (206912).

413818 is a wasteful number, since it uses less digits than its factorization.

413818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206911.

The product of its digits is 768, while the sum is 25.

The square root of 413818 is about 643.2868722429. The cubic root of 413818 is about 74.5194760125.

Subtracting 413818 from its reverse (818314), we obtain a square (404496 = 636²).

The spelling of 413818 in words is "four hundred thirteen thousand, eight hundred eighteen".