448506889 has 2 divisors, whose sum is σ = 448506890. Its totient is φ = 448506888.

The previous prime is 448506823. The next prime is 448506917. The reversal of 448506889 is 988605844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230796864 + 217710025 = 15192^2 + 14755^2 .

It is a cyclic number.

It is not a de Polignac number, because 448506889 - 2¹³ = 448498697 is a prime.

It is not a weakly prime, because it can be changed into another prime (448306889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224253444 + 224253445.

It is an arithmetic number, because the mean of its divisors is an integer number (224253445).

Almost surely, 2^448506889 is an apocalyptic number.

It is an amenable number.

448506889 is a deficient number, since it is larger than the sum of its proper divisors (1).

448506889 is an equidigital number, since it uses as much as digits as its factorization.

448506889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 448506889 is about 21177.9812305139. The cubic root of 448506889 is about 765.4609487945.

The spelling of 448506889 in words is "four hundred forty-eight million, five hundred six thousand, eight hundred eighty-nine".