338565089 has 2 divisors, whose sum is σ = 338565090. Its totient is φ = 338565088.

The previous prime is 338565079. The next prime is 338565091. The reversal of 338565089 is 980565833.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182115025 + 156450064 = 13495^2 + 12508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338565089 is a prime.

It is a super-2 number, since 2×338565089² = 229252638979155842, which contains 22 as substring.

Together with 338565091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338565079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169282544 + 169282545.

It is an arithmetic number, because the mean of its divisors is an integer number (169282545).

Almost surely, 2^338565089 is an apocalyptic number.

It is an amenable number.

338565089 is a deficient number, since it is larger than the sum of its proper divisors (1).

338565089 is an equidigital number, since it uses as much as digits as its factorization.

338565089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 338565089 is about 18400.1382875238. The cubic root of 338565089 is about 696.9699567201.

The spelling of 338565089 in words is "three hundred thirty-eight million, five hundred sixty-five thousand, eighty-nine".