338458613 has 2 divisors, whose sum is σ = 338458614. Its totient is φ = 338458612.

The previous prime is 338458553. The next prime is 338458619. The reversal of 338458613 is 316854833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304083844 + 34374769 = 17438^2 + 5863^2 .

It is a cyclic number.

It is not a de Polignac number, because 338458613 - 2¹⁴ = 338442229 is a prime.

It is a super-2 number, since 2×338458613² = 229108465427767538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338458619) 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, 169229306 + 169229307.

It is an arithmetic number, because the mean of its divisors is an integer number (169229307).

Almost surely, 2^338458613 is an apocalyptic number.

It is an amenable number.

338458613 is a deficient number, since it is larger than the sum of its proper divisors (1).

338458613 is an equidigital number, since it uses as much as digits as its factorization.

338458613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 338458613 is about 18397.2447121845. The cubic root of 338458613 is about 696.8968852424.

The spelling of 338458613 in words is "three hundred thirty-eight million, four hundred fifty-eight thousand, six hundred thirteen".