448398305 has 4 divisors (see below), whose sum is σ = 538077972. Its totient is φ = 358718640.

The previous prime is 448398277. The next prime is 448398329. The reversal of 448398305 is 503893844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 286421776 + 161976529 = 16924^2 + 12727^2 .

It is not a de Polignac number, because 448398305 - 2¹² = 448394209 is a prime.

It is a super-2 number, since 2×448398305² = 402122079853746050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44839826 + ... + 44839835.

It is an arithmetic number, because the mean of its divisors is an integer number (134519493).

Almost surely, 2^448398305 is an apocalyptic number.

It is an amenable number.

448398305 is a deficient number, since it is larger than the sum of its proper divisors (89679667).

448398305 is an equidigital number, since it uses as much as digits as its factorization.

448398305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89679666.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 448398305 is about 21175.4174693204. The cubic root of 448398305 is about 765.3991708358.

The spelling of 448398305 in words is "four hundred forty-eight million, three hundred ninety-eight thousand, three hundred five".