338291 has 8 divisors (see below), whose sum is σ = 357504. Its totient is φ = 319680.

The previous prime is 338287. The next prime is 338293. The reversal of 338291 is 192833.

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

It is not a de Polignac number, because 338291 - 2² = 338287 is a prime.

It is a super-2 number, since 2×338291² = 228881601362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338293) 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, 1406 + ... + 1628.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2³³⁸²⁹¹ is an apocalyptic number.

338291 is a deficient number, since it is larger than the sum of its proper divisors (19213).

338291 is a wasteful number, since it uses less digits than its factorization.

338291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 1296, while the sum is 26.

The square root of 338291 is about 581.6278879146. The cubic root of 338291 is about 69.6781826108.

The spelling of 338291 in words is "three hundred thirty-eight thousand, two hundred ninety-one".