448303609 has 8 divisors (see below), whose sum is σ = 485865800. Its totient is φ = 411181056.

The previous prime is 448303607. The next prime is 448303631. The reversal of 448303609 is 906303844.

It can be written as a sum of positive squares in 4 ways, for example, as 77933584 + 370370025 = 8828^2 + 19245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 448303609 - 2¹ = 448303607 is a prime.

It is a super-2 number, since 2×448303609² = 401952251684849762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448303607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107784 + ... + 111865.

It is an arithmetic number, because the mean of its divisors is an integer number (60733225).

Almost surely, 2^448303609 is an apocalyptic number.

It is an amenable number.

448303609 is a deficient number, since it is larger than the sum of its proper divisors (37562191).

448303609 is a wasteful number, since it uses less digits than its factorization.

448303609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219819.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 448303609 is about 21173.1813622800. The cubic root of 448303609 is about 765.3452861965.

The spelling of 448303609 in words is "four hundred forty-eight million, three hundred three thousand, six hundred nine".