338539165 has 4 divisors (see below), whose sum is σ = 406247004. Its totient is φ = 270831328.

The previous prime is 338539153. The next prime is 338539183. The reversal of 338539165 is 561935833.

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

It can be written as a sum of positive squares in 2 ways, for example, as 154828249 + 183710916 = 12443^2 + 13554^2 .

It is a cyclic number.

It is not a de Polignac number, because 338539165 - 2⁵ = 338539133 is a prime.

It is a super-2 number, since 2×338539165² = 229217532477794450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33853912 + ... + 33853921.

It is an arithmetic number, because the mean of its divisors is an integer number (101561751).

Almost surely, 2^338539165 is an apocalyptic number.

It is an amenable number.

338539165 is a deficient number, since it is larger than the sum of its proper divisors (67707839).

338539165 is an equidigital number, since it uses as much as digits as its factorization.

338539165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67707838.

The product of its digits is 291600, while the sum is 43.

The square root of 338539165 is about 18399.4338228110. The cubic root of 338539165 is about 696.9521672207.

The spelling of 338539165 in words is "three hundred thirty-eight million, five hundred thirty-nine thousand, one hundred sixty-five".