338868353 has 2 divisors, whose sum is σ = 338868354. Its totient is φ = 338868352.

The previous prime is 338868331. The next prime is 338868389. The reversal of 338868353 is 353868833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221622769 + 117245584 = 14887^2 + 10828^2 .

It is an emirp because it is prime and its reverse (353868833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338868353 - 2⁶ = 338868289 is a prime.

It is a super-2 number, since 2×338868353² = 229663521329865218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338868298 and 338868307.

It is not a weakly prime, because it can be changed into another prime (338868053) 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, 169434176 + 169434177.

It is an arithmetic number, because the mean of its divisors is an integer number (169434177).

Almost surely, 2^338868353 is an apocalyptic number.

It is an amenable number.

338868353 is a deficient number, since it is larger than the sum of its proper divisors (1).

338868353 is an equidigital number, since it uses as much as digits as its factorization.

338868353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 47.

The square root of 338868353 is about 18408.3772505889. The cubic root of 338868353 is about 697.1779943334.

The spelling of 338868353 in words is "three hundred thirty-eight million, eight hundred sixty-eight thousand, three hundred fifty-three".