449085787 has 16 divisors (see below), whose sum is σ = 499806720. Its totient is φ = 401334912.

The previous prime is 449085781. The next prime is 449085803. The reversal of 449085787 is 787580944.

It is not a de Polignac number, because 449085787 - 2¹⁵ = 449053019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449085781) 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 in 15 ways as a sum of consecutive naturals, for example, 50218 + ... + 58480.

It is an arithmetic number, because the mean of its divisors is an integer number (31237920).

Almost surely, 2^449085787 is an apocalyptic number.

449085787 is a deficient number, since it is larger than the sum of its proper divisors (50720933).

449085787 is a wasteful number, since it uses less digits than its factorization.

449085787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8442.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The square root of 449085787 is about 21191.6442731563. The cubic root of 449085787 is about 765.7901397982.

It can be divided in two parts, 4490857 and 87, that added together give a palindrome (4490944).

The spelling of 449085787 in words is "four hundred forty-nine million, eighty-five thousand, seven hundred eighty-seven".