449997 has 8 divisors (see below), whose sum is σ = 610080. Its totient is φ = 294960.

The previous prime is 449989. The next prime is 450001. The reversal of 449997 is 799944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449997 - 2³ = 449989 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449997.

It is not an unprimeable number, because it can be changed into a prime (449987) 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 in 7 ways as a sum of consecutive naturals, for example, 1047 + ... + 1412.

It is an arithmetic number, because the mean of its divisors is an integer number (76260).

2⁴⁴⁹⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

449997 is a deficient number, since it is larger than the sum of its proper divisors (160083).

449997 is a wasteful number, since it uses less digits than its factorization.

449997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523.

The product of its digits is 81648, while the sum is 42.

The square root of 449997 is about 670.8181571782. The cubic root of 449997 is about 76.6307729480.

The spelling of 449997 in words is "four hundred forty-nine thousand, nine hundred ninety-seven".