338805697 has 2 divisors, whose sum is σ = 338805698. Its totient is φ = 338805696.

The previous prime is 338805679. The next prime is 338805743. The reversal of 338805697 is 796508833.

Together with previous prime (338805679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307791936 + 31013761 = 17544^2 + 5569^2 .

It is an emirp because it is prime and its reverse (796508833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338805697 - 2²³ = 330417089 is a prime.

It is a super-2 number, since 2×338805697² = 229578600639311618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338805697.

It is not a weakly prime, because it can be changed into another prime (338805197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169402848 + 169402849.

It is an arithmetic number, because the mean of its divisors is an integer number (169402849).

Almost surely, 2^338805697 is an apocalyptic number.

It is an amenable number.

338805697 is a deficient number, since it is larger than the sum of its proper divisors (1).

338805697 is an equidigital number, since it uses as much as digits as its factorization.

338805697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 338805697 is about 18406.6753380397. The cubic root of 338805697 is about 697.1350228013.

The spelling of 338805697 in words is "three hundred thirty-eight million, eight hundred five thousand, six hundred ninety-seven".