448494647 has 2 divisors, whose sum is σ = 448494648. Its totient is φ = 448494646.

The previous prime is 448494643. The next prime is 448494671. The reversal of 448494647 is 746494844.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448494647 - 2² = 448494643 is a prime.

It is a super-2 number, since 2×448494647² = 402294896775309218, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 448494595 and 448494604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448494643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224247323 + 224247324.

It is an arithmetic number, because the mean of its divisors is an integer number (224247324).

Almost surely, 2^448494647 is an apocalyptic number.

448494647 is a deficient number, since it is larger than the sum of its proper divisors (1).

448494647 is an equidigital number, since it uses as much as digits as its factorization.

448494647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 50.

The square root of 448494647 is about 21177.6922019374. The cubic root of 448494647 is about 765.4539843097.

The spelling of 448494647 in words is "four hundred forty-eight million, four hundred ninety-four thousand, six hundred forty-seven".