338500189 has 2 divisors, whose sum is σ = 338500190. Its totient is φ = 338500188.

The previous prime is 338500159. The next prime is 338500207. The reversal of 338500189 is 981005833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276956164 + 61544025 = 16642^2 + 7845^2 .

It is an emirp because it is prime and its reverse (981005833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338500189 - 2⁷ = 338500061 is a prime.

It is a super-2 number, since 2×338500189² = 229164755906071442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338500159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169250094 + 169250095.

It is an arithmetic number, because the mean of its divisors is an integer number (169250095).

Almost surely, 2^338500189 is an apocalyptic number.

It is an amenable number.

338500189 is a deficient number, since it is larger than the sum of its proper divisors (1).

338500189 is an equidigital number, since it uses as much as digits as its factorization.

338500189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 338500189 is about 18398.3746292981. The cubic root of 338500189 is about 696.9254195028.

The spelling of 338500189 in words is "three hundred thirty-eight million, five hundred thousand, one hundred eighty-nine".