447216343 has 6 divisors (see below), whose sum is σ = 511168344. Its totient is φ = 383280336.

The previous prime is 447216317. The next prime is 447216349. The reversal of 447216343 is 343612744.

It is not a de Polignac number, because 447216343 - 2⁵ = 447216311 is a prime.

It is a super-3 number, since 3×447216343³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 447216299 and 447216308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447216349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51955 + ... + 59947.

It is an arithmetic number, because the mean of its divisors is an integer number (85194724).

Almost surely, 2^447216343 is an apocalyptic number.

447216343 is a deficient number, since it is larger than the sum of its proper divisors (63952001).

447216343 is an frugal number, since it uses more digits than its factorization.

447216343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15993 (or 8000 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 447216343 is about 21147.4902293393. The cubic root of 447216343 is about 764.7260573815.

The spelling of 447216343 in words is "four hundred forty-seven million, two hundred sixteen thousand, three hundred forty-three".