338091 has 8 divisors (see below), whose sum is σ = 485520. Its totient is φ = 208032.

The previous prime is 338033. The next prime is 338119. The reversal of 338091 is 190833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 338091 - 2⁶ = 338027 is a prime.

It is a super-2 number, since 2×338091² = 228611048562, which contains 22 as substring.

It is an Ulam number.

338091 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338091.

It is not an unprimeable number, because it can be changed into a prime (338791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4296 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (60690).

2³³⁸⁰⁹¹ is an apocalyptic number.

338091 is a deficient number, since it is larger than the sum of its proper divisors (147429).

338091 is a wasteful number, since it uses less digits than its factorization.

338091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 338091 is about 581.4559312622. The cubic root of 338091 is about 69.6644484946.

The spelling of 338091 in words is "three hundred thirty-eight thousand, ninety-one".