448289907 has 12 divisors (see below), whose sum is σ = 647235864. Its totient is φ = 275870400.

The previous prime is 448289899. The next prime is 448289911. The reversal of 448289907 is 709982844.

It is not a de Polignac number, because 448289907 - 2³ = 448289899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448289907.

It is not an unprimeable number, because it can be changed into a prime (448289407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441594 + ... + 442607.

It is an arithmetic number, because the mean of its divisors is an integer number (53936322).

Almost surely, 2^448289907 is an apocalyptic number.

448289907 is a deficient number, since it is larger than the sum of its proper divisors (198945957).

448289907 is a wasteful number, since it uses less digits than its factorization.

448289907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884230 (or 884217 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 448289907 is about 21172.8577901048. The cubic root of 448289907 is about 765.3374887517.

The spelling of 448289907 in words is "four hundred forty-eight million, two hundred eighty-nine thousand, nine hundred seven".