338243 has 4 divisors (see below), whose sum is σ = 339480. Its totient is φ = 337008.

The previous prime is 338237. The next prime is 338251. The reversal of 338243 is 342833.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 338243 - 2¹⁰ = 337219 is a prime.

It is a super-2 number, since 2×338243² = 228816654098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338203) 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, 5 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (84870).

2³³⁸²⁴³ is an apocalyptic number.

338243 is a deficient number, since it is larger than the sum of its proper divisors (1237).

338243 is an equidigital number, since it uses as much as digits as its factorization.

338243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its digits is 1728, while the sum is 23.

The square root of 338243 is about 581.5866229548. The cubic root of 338243 is about 69.6748869167.

The spelling of 338243 in words is "three hundred thirty-eight thousand, two hundred forty-three".