448528914 has 28 divisors (see below), whose sum is σ = 1008731886. Its totient is φ = 149509152.

The previous prime is 448528909. The next prime is 448528919. The reversal of 448528914 is 419825844.

It is an interprime number because it is at equal distance from previous prime (448528909) and next prime (448528919).

It can be written as a sum of positive squares in only one way, i.e., 437855625 + 10673289 = 20925^2 + 3267^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 448528914.

It is not an unprimeable number, because it can be changed into a prime (448528919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 152359 + ... + 155274.

Almost surely, 2^448528914 is an apocalyptic number.

448528914 is an abundant number, since it is smaller than the sum of its proper divisors (560202972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448528914 is an equidigital number, since it uses as much as digits as its factorization.

448528914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307653 (or 307638 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 448528914 is about 21178.5012217579. The cubic root of 448528914 is about 765.4734785176.

The spelling of 448528914 in words is "four hundred forty-eight million, five hundred twenty-eight thousand, nine hundred fourteen".