338215 has 16 divisors (see below), whose sum is σ = 451008. Its totient is φ = 242176.

The previous prime is 338213. The next prime is 338231. The reversal of 338215 is 512833.

It is a cyclic number.

It is not a de Polignac number, because 338215 - 2¹ = 338213 is a prime.

It is a super-2 number, since 2×338215² = 228778772450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1869 + ... + 2041.

It is an arithmetic number, because the mean of its divisors is an integer number (28188).

2³³⁸²¹⁵ is an apocalyptic number.

338215 is a deficient number, since it is larger than the sum of its proper divisors (112793).

338215 is a wasteful number, since it uses less digits than its factorization.

338215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 720, while the sum is 22.

The square root of 338215 is about 581.5625503761. The cubic root of 338215 is about 69.6729642845.

The spelling of 338215 in words is "three hundred thirty-eight thousand, two hundred fifteen".