338018 has 4 divisors (see below), whose sum is σ = 507030. Its totient is φ = 169008.

The previous prime is 338017. The next prime is 338027. The reversal of 338018 is 810833.

338018 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, and also an emirpimes, since its reverse is a distinct semiprime: 810833 = 439 ⋅1847.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 38809 = 547^2 + 197^2 .

It is a super-2 number, since 2×338018² = 228512336648, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 337984 and 338002.

It is not an unprimeable number, because it can be changed into a prime (338017) by changing a digit.

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 as a sum of consecutive naturals, namely, 84503 + ... + 84506.

2³³⁸⁰¹⁸ is an apocalyptic number.

338018 is a deficient number, since it is larger than the sum of its proper divisors (169012).

338018 is a wasteful number, since it uses less digits than its factorization.

338018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169011.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 338018 is about 581.3931544145. The cubic root of 338018 is about 69.6594341929.

The spelling of 338018 in words is "three hundred thirty-eight thousand, eighteen".