338155 has 4 divisors (see below), whose sum is σ = 405792. Its totient is φ = 270520.

The previous prime is 338153. The next prime is 338159. The reversal of 338155 is 551833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551833 = 97 ⋅5689.

It is not a de Polignac number, because 338155 - 2¹ = 338153 is a prime.

It is a super-2 number, since 2×338155² = 228697608050, which contains 22 as substring.

It is a Duffinian number.

338155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (338153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33811 + ... + 33820.

It is an arithmetic number, because the mean of its divisors is an integer number (101448).

2³³⁸¹⁵⁵ is an apocalyptic number.

338155 is a deficient number, since it is larger than the sum of its proper divisors (67637).

338155 is an equidigital number, since it uses as much as digits as its factorization.

338155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67636.

The product of its digits is 1800, while the sum is 25.

The square root of 338155 is about 581.5109629233. The cubic root of 338155 is about 69.6688440009.

Adding to 338155 its reverse (551833), we get a palindrome (889988).

The spelling of 338155 in words is "three hundred thirty-eight thousand, one hundred fifty-five".