447193448 has 16 divisors (see below), whose sum is σ = 902986980. Its totient is φ = 206396928.

The previous prime is 447193447. The next prime is 447193451. The reversal of 447193448 is 844391744.

It can be written as a sum of positive squares in 2 ways, for example, as 445125604 + 2067844 = 21098^2 + 1438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 447193399 and 447193408.

It is not an unprimeable number, because it can be changed into a prime (447193447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2149865 + ... + 2150072.

Almost surely, 2^447193448 is an apocalyptic number.

It is an amenable number.

447193448 is an abundant number, since it is smaller than the sum of its proper divisors (455793532).

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

447193448 is a wasteful number, since it uses less digits than its factorization.

447193448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299956 (or 4299952 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 447193448 is about 21146.9489052203. The cubic root of 447193448 is about 764.7130072458.

The spelling of 447193448 in words is "four hundred forty-seven million, one hundred ninety-three thousand, four hundred forty-eight".