338189 has 4 divisors (see below), whose sum is σ = 339456. Its totient is φ = 336924.

The previous prime is 338183. The next prime is 338197. The reversal of 338189 is 981833.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 981833 = 271 ⋅3623.

It is a cyclic number.

It is not a de Polignac number, because 338189 - 2¹² = 334093 is a prime.

It is a super-2 number, since 2×338189² = 228743599442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338189.

It is not an unprimeable number, because it can be changed into a prime (338183) 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, 59 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (84864).

2³³⁸¹⁸⁹ is an apocalyptic number.

It is an amenable number.

338189 is a deficient number, since it is larger than the sum of its proper divisors (1267).

338189 is an equidigital number, since it uses as much as digits as its factorization.

338189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 5184, while the sum is 32.

The square root of 338189 is about 581.5401963751. The cubic root of 338189 is about 69.6711788881.

The spelling of 338189 in words is "three hundred thirty-eight thousand, one hundred eighty-nine".