448469889 has 16 divisors (see below), whose sum is σ = 684554112. Its totient is φ = 255829248.

The previous prime is 448469869. The next prime is 448469899. The reversal of 448469889 is 988964844.

It is not a de Polignac number, because 448469889 - 2¹⁹ = 447945601 is a prime.

It is a super-2 number, since 2×448469889² = 402250482679344642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448469869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5554 + ... + 30459.

It is an arithmetic number, because the mean of its divisors is an integer number (42784632).

Almost surely, 2^448469889 is an apocalyptic number.

It is an amenable number.

448469889 is a deficient number, since it is larger than the sum of its proper divisors (236084223).

448469889 is a wasteful number, since it uses less digits than its factorization.

448469889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36616.

The product of its digits is 15925248, while the sum is 60.

The square root of 448469889 is about 21177.1076637014. The cubic root of 448469889 is about 765.4398990740.

The spelling of 448469889 in words is "four hundred forty-eight million, four hundred sixty-nine thousand, eight hundred eighty-nine".