338532155 has 16 divisors (see below), whose sum is σ = 438044544. Its totient is φ = 249674880.

The previous prime is 338532151. The next prime is 338532157. The reversal of 338532155 is 551235833.

It is not a de Polignac number, because 338532155 - 2² = 338532151 is a prime.

It is a super-2 number, since 2×338532155² = 229208039937888050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338532151) 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, 56357 + ... + 62073.

It is an arithmetic number, because the mean of its divisors is an integer number (27377784).

Almost surely, 2^338532155 is an apocalyptic number.

338532155 is a deficient number, since it is larger than the sum of its proper divisors (99512389).

338532155 is a wasteful number, since it uses less digits than its factorization.

338532155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646.

The product of its digits is 54000, while the sum is 35.

The square root of 338532155 is about 18399.2433268328. The cubic root of 338532155 is about 696.9473566809.

Adding to 338532155 its reverse (551235833), we get a palindrome (889767988).

The spelling of 338532155 in words is "three hundred thirty-eight million, five hundred thirty-two thousand, one hundred fifty-five".