448844487 has 32 divisors (see below), whose sum is σ = 737899008. Its totient is φ = 236324736.

The previous prime is 448844419. The next prime is 448844491. The reversal of 448844487 is 784448844.

It is not a de Polignac number, because 448844487 - 2⁷ = 448844359 is a prime.

It is a super-2 number, since 2×448844487² = 402922747020586338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448844497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198988 + ... + 201230.

It is an arithmetic number, because the mean of its divisors is an integer number (23059344).

Almost surely, 2^448844487 is an apocalyptic number.

448844487 is a deficient number, since it is larger than the sum of its proper divisors (289054521).

448844487 is a wasteful number, since it uses less digits than its factorization.

448844487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its digits is 3670016, while the sum is 51.

The square root of 448844487 is about 21185.9502265062. The cubic root of 448844487 is about 765.6529586836.

The spelling of 448844487 in words is "four hundred forty-eight million, eight hundred forty-four thousand, four hundred eighty-seven".