447449 has 2 divisors, whose sum is σ = 447450. Its totient is φ = 447448.

The previous prime is 447443. The next prime is 447451. The reversal of 447449 is 944744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446224 + 1225 = 668^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 447449 - 2⁸ = 447193 is a prime.

Together with 447451, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447449.

It is not a weakly prime, because it can be changed into another prime (447443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223724 + 223725.

It is an arithmetic number, because the mean of its divisors is an integer number (223725).

2⁴⁴⁷⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

447449 is a deficient number, since it is larger than the sum of its proper divisors (1).

447449 is an equidigital number, since it uses as much as digits as its factorization.

447449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 447449 is about 668.9162877371. The cubic root of 447449 is about 76.4858646473.

The spelling of 447449 in words is "four hundred forty-seven thousand, four hundred forty-nine".