338281 has 4 divisors (see below), whose sum is σ = 346192. Its totient is φ = 330372.

The previous prime is 338279. The next prime is 338287. The reversal of 338281 is 182833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182833 = 7 ⋅26119.

It is a cyclic number.

It is not a de Polignac number, because 338281 - 2¹ = 338279 is a prime.

It is a super-2 number, since 2×338281² = 228868069922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338287) 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, 3891 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (86548).

2³³⁸²⁸¹ is an apocalyptic number.

It is an amenable number.

338281 is a deficient number, since it is larger than the sum of its proper divisors (7911).

338281 is an equidigital number, since it uses as much as digits as its factorization.

338281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910.

The product of its digits is 1152, while the sum is 25.

The square root of 338281 is about 581.6192912894. The cubic root of 338281 is about 69.6774960336.

The spelling of 338281 in words is "three hundred thirty-eight thousand, two hundred eighty-one".