338884129 has 2 divisors, whose sum is σ = 338884130. Its totient is φ = 338884128.

The previous prime is 338884127. The next prime is 338884151. The reversal of 338884129 is 921488833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336649104 + 2235025 = 18348^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 338884129 - 2¹ = 338884127 is a prime.

It is a super-2 number, since 2×338884129² = 229684905776177282, which contains 22 as substring.

Together with 338884127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (338884127) 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, 169442064 + 169442065.

It is an arithmetic number, because the mean of its divisors is an integer number (169442065).

Almost surely, 2^338884129 is an apocalyptic number.

It is an amenable number.

338884129 is a deficient number, since it is larger than the sum of its proper divisors (1).

338884129 is an equidigital number, since it uses as much as digits as its factorization.

338884129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 46.

The square root of 338884129 is about 18408.8057461640. The cubic root of 338884129 is about 697.1888131949.

The spelling of 338884129 in words is "three hundred thirty-eight million, eight hundred eighty-four thousand, one hundred twenty-nine".