338627749 has 2 divisors, whose sum is σ = 338627750. Its totient is φ = 338627748.

The previous prime is 338627717. The next prime is 338627767. The reversal of 338627749 is 947726833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263250625 + 75377124 = 16225^2 + 8682^2 .

It is a cyclic number.

It is not a de Polignac number, because 338627749 - 2⁵ = 338627717 is a prime.

It is a super-2 number, since 2×338627749² = 229337504785614002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338627789) 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, 169313874 + 169313875.

It is an arithmetic number, because the mean of its divisors is an integer number (169313875).

Almost surely, 2^338627749 is an apocalyptic number.

It is an amenable number.

338627749 is a deficient number, since it is larger than the sum of its proper divisors (1).

338627749 is an equidigital number, since it uses as much as digits as its factorization.

338627749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 49.

The square root of 338627749 is about 18401.8409133434. The cubic root of 338627749 is about 697.0129513514.

The spelling of 338627749 in words is "three hundred thirty-eight million, six hundred twenty-seven thousand, seven hundred forty-nine".