449971 has 2 divisors, whose sum is σ = 449972. Its totient is φ = 449970.

The previous prime is 449963. The next prime is 449987. The reversal of 449971 is 179944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449971 - 2³ = 449963 is a prime.

449971 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (449921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224985 + 224986.

It is an arithmetic number, because the mean of its divisors is an integer number (224986).

2⁴⁴⁹⁹⁷¹ is an apocalyptic number.

449971 is a deficient number, since it is larger than the sum of its proper divisors (1).

449971 is an equidigital number, since it uses as much as digits as its factorization.

449971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 449971 is about 670.7987775779. The cubic root of 449971 is about 76.6292970578.

The spelling of 449971 in words is "four hundred forty-nine thousand, nine hundred seventy-one".