449647 has 8 divisors (see below), whose sum is σ = 502992. Its totient is φ = 398400.

The previous prime is 449629. The next prime is 449653. The reversal of 449647 is 746944.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449677) 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, 48 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (62874).

2⁴⁴⁹⁶⁴⁷ is an apocalyptic number.

449647 is a deficient number, since it is larger than the sum of its proper divisors (53345).

449647 is a wasteful number, since it uses less digits than its factorization.

449647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its digits is 24192, while the sum is 34.

The square root of 449647 is about 670.5572309654. The cubic root of 449647 is about 76.6109004251.

The spelling of 449647 in words is "four hundred forty-nine thousand, six hundred forty-seven".