338591413 has 2 divisors, whose sum is σ = 338591414. Its totient is φ = 338591412.

The previous prime is 338591369. The next prime is 338591423. The reversal of 338591413 is 314195833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336465649 + 2125764 = 18343^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 338591413 - 2¹³ = 338583221 is a prime.

It is a super-2 number, since 2×338591413² = 229288289914673138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338591423) 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, 169295706 + 169295707.

It is an arithmetic number, because the mean of its divisors is an integer number (169295707).

Almost surely, 2^338591413 is an apocalyptic number.

It is an amenable number.

338591413 is a deficient number, since it is larger than the sum of its proper divisors (1).

338591413 is an equidigital number, since it uses as much as digits as its factorization.

338591413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 338591413 is about 18400.8535943309. The cubic root of 338591413 is about 696.9880197772.

The spelling of 338591413 in words is "three hundred thirty-eight million, five hundred ninety-one thousand, four hundred thirteen".