338702449 has 2 divisors, whose sum is σ = 338702450. Its totient is φ = 338702448.

The previous prime is 338702437. The next prime is 338702453. The reversal of 338702449 is 944207833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169520400 + 169182049 = 13020^2 + 13007^2 .

It is a cyclic number.

It is not a de Polignac number, because 338702449 - 2⁷ = 338702321 is a prime.

It is a super-2 number, since 2×338702449² = 229438697917195202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338702459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169351224 + 169351225.

It is an arithmetic number, because the mean of its divisors is an integer number (169351225).

Almost surely, 2^338702449 is an apocalyptic number.

It is an amenable number.

338702449 is a deficient number, since it is larger than the sum of its proper divisors (1).

338702449 is an equidigital number, since it uses as much as digits as its factorization.

338702449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 338702449 is about 18403.8704896552. The cubic root of 338702449 is about 697.0642003896.

The spelling of 338702449 in words is "three hundred thirty-eight million, seven hundred two thousand, four hundred forty-nine".