330000449 has 2 divisors, whose sum is σ = 330000450. Its totient is φ = 330000448.

The previous prime is 330000439. The next prime is 330000457. The reversal of 330000449 is 944000033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170433025 + 159567424 = 13055^2 + 12632^2 .

It is an emirp because it is prime and its reverse (944000033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330000449 - 2²⁴ = 313223233 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (330000439) 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, 165000224 + 165000225.

It is an arithmetic number, because the mean of its divisors is an integer number (165000225).

Almost surely, 2^330000449 is an apocalyptic number.

It is an amenable number.

330000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

330000449 is an equidigital number, since it uses as much as digits as its factorization.

330000449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 330000449 is about 18165.9144828990. The cubic root of 330000449 is about 691.0426364131.

The spelling of 330000449 in words is "three hundred thirty million, four hundred forty-nine", and thus it is an aban number.