447193449 has 12 divisors (see below), whose sum is σ = 683943156. Its totient is φ = 280591872.

The previous prime is 447193447. The next prime is 447193451. The reversal of 447193449 is 944391744.

It is an interprime number because it is at equal distance from previous prime (447193447) and next prime (447193451).

It can be written as a sum of positive squares in 2 ways, for example, as 361760400 + 85433049 = 19020^2 + 9243^2 .

It is not a de Polignac number, because 447193449 - 2¹ = 447193447 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1461264 + ... + 1461569.

It is an arithmetic number, because the mean of its divisors is an integer number (56995263).

Almost surely, 2^447193449 is an apocalyptic number.

It is an amenable number.

447193449 is a deficient number, since it is larger than the sum of its proper divisors (236749707).

447193449 is a wasteful number, since it uses less digits than its factorization.

447193449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922856 (or 2922853 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 447193449 is about 21146.9489288644. The cubic root of 447193449 is about 764.7130078158.

The spelling of 447193449 in words is "four hundred forty-seven million, one hundred ninety-three thousand, four hundred forty-nine".