338395249 has 2 divisors, whose sum is σ = 338395250. Its totient is φ = 338395248.

The previous prime is 338395237. The next prime is 338395271. The reversal of 338395249 is 942593833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311769649 + 26625600 = 17657^2 + 5160^2 .

It is a cyclic number.

It is not a de Polignac number, because 338395249 - 2¹¹ = 338393201 is a prime.

It is a super-2 number, since 2×338395249² = 229022689091544002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338395199 and 338395208.

It is not a weakly prime, because it can be changed into another prime (338395219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169197624 + 169197625.

It is an arithmetic number, because the mean of its divisors is an integer number (169197625).

Almost surely, 2^338395249 is an apocalyptic number.

It is an amenable number.

338395249 is a deficient number, since it is larger than the sum of its proper divisors (1).

338395249 is an equidigital number, since it uses as much as digits as its factorization.

338395249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The square root of 338395249 is about 18395.5225258757. The cubic root of 338395249 is about 696.8533930413.

The spelling of 338395249 in words is "three hundred thirty-eight million, three hundred ninety-five thousand, two hundred forty-nine".