448896997 has 2 divisors, whose sum is σ = 448896998. Its totient is φ = 448896996.

The previous prime is 448896991. The next prime is 448897027. The reversal of 448896997 is 799698844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364275396 + 84621601 = 19086^2 + 9199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448896997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448896991) 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, 224448498 + 224448499.

It is an arithmetic number, because the mean of its divisors is an integer number (224448499).

Almost surely, 2^448896997 is an apocalyptic number.

It is an amenable number.

448896997 is a deficient number, since it is larger than the sum of its proper divisors (1).

448896997 is an equidigital number, since it uses as much as digits as its factorization.

448896997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 64.

The square root of 448896997 is about 21187.1894549513. The cubic root of 448896997 is about 765.6828152525.

The spelling of 448896997 in words is "four hundred forty-eight million, eight hundred ninety-six thousand, nine hundred ninety-seven".