447828443 has 2 divisors, whose sum is σ = 447828444. Its totient is φ = 447828442.

The previous prime is 447828419. The next prime is 447828503. The reversal of 447828443 is 344828744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 447828443 - 2¹² = 447824347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447828394 and 447828403.

It is not a weakly prime, because it can be changed into another prime (447828343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223914221 + 223914222.

It is an arithmetic number, because the mean of its divisors is an integer number (223914222).

Almost surely, 2^447828443 is an apocalyptic number.

447828443 is a deficient number, since it is larger than the sum of its proper divisors (1).

447828443 is an equidigital number, since it uses as much as digits as its factorization.

447828443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688128, while the sum is 44.

The square root of 447828443 is about 21161.9574472684. The cubic root of 447828443 is about 765.0747889916.

The spelling of 447828443 in words is "four hundred forty-seven million, eight hundred twenty-eight thousand, four hundred forty-three".