338345837 has 2 divisors, whose sum is σ = 338345838. Its totient is φ = 338345836.

The previous prime is 338345831. The next prime is 338345857. The reversal of 338345837 is 738543833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177715561 + 160630276 = 13331^2 + 12674^2 .

It is an emirp because it is prime and its reverse (738543833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338345837 - 2¹² = 338341741 is a prime.

It is a super-2 number, since 2×338345837² = 228955810830461138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338345831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169172918 + 169172919.

It is an arithmetic number, because the mean of its divisors is an integer number (169172919).

Almost surely, 2^338345837 is an apocalyptic number.

It is an amenable number.

338345837 is a deficient number, since it is larger than the sum of its proper divisors (1).

338345837 is an equidigital number, since it uses as much as digits as its factorization.

338345837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 44.

The square root of 338345837 is about 18394.1794326357. The cubic root of 338345837 is about 696.8194735384.

The spelling of 338345837 in words is "three hundred thirty-eight million, three hundred forty-five thousand, eight hundred thirty-seven".