338375321 has 2 divisors, whose sum is σ = 338375322. Its totient is φ = 338375320.

The previous prime is 338375311. The next prime is 338375329. The reversal of 338375321 is 123573833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319015321 + 19360000 = 17861^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 338375321 - 2¹⁰ = 338374297 is a prime.

It is a super-2 number, since 2×338375321² = 228995715723706082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338375329) 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, 169187660 + 169187661.

It is an arithmetic number, because the mean of its divisors is an integer number (169187661).

Almost surely, 2^338375321 is an apocalyptic number.

It is an amenable number.

338375321 is a deficient number, since it is larger than the sum of its proper divisors (1).

338375321 is an equidigital number, since it uses as much as digits as its factorization.

338375321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 338375321 is about 18394.9808643554. The cubic root of 338375321 is about 696.8397136067.

The spelling of 338375321 in words is "three hundred thirty-eight million, three hundred seventy-five thousand, three hundred twenty-one".