338376817 has 2 divisors, whose sum is σ = 338376818. Its totient is φ = 338376816.

The previous prime is 338376809. The next prime is 338376839. The reversal of 338376817 is 718673833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267126336 + 71250481 = 16344^2 + 8441^2 .

It is a cyclic number.

It is not a de Polignac number, because 338376817 - 2³ = 338376809 is a prime.

It is a super-2 number, since 2×338376817² = 228997740566102978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338370817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169188408 + 169188409.

It is an arithmetic number, because the mean of its divisors is an integer number (169188409).

Almost surely, 2^338376817 is an apocalyptic number.

It is an amenable number.

338376817 is a deficient number, since it is larger than the sum of its proper divisors (1).

338376817 is an equidigital number, since it uses as much as digits as its factorization.

338376817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 338376817 is about 18395.0215275764. The cubic root of 338376817 is about 696.8407405440.

It can be divided in two parts, 3383 and 76817, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 338376817 in words is "three hundred thirty-eight million, three hundred seventy-six thousand, eight hundred seventeen".