449813 has 8 divisors (see below), whose sum is σ = 553728. Its totient is φ = 355824.

The previous prime is 449807. The next prime is 449821. The reversal of 449813 is 318944.

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

It is not a de Polignac number, because 449813 - 2⁴ = 449797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (69216).

2⁴⁴⁹⁸¹³ is an apocalyptic number.

It is an amenable number.

449813 is a deficient number, since it is larger than the sum of its proper divisors (103915).

449813 is a wasteful number, since it uses less digits than its factorization.

449813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963.

The product of its digits is 3456, while the sum is 29.

The square root of 449813 is about 670.6809971961. The cubic root of 449813 is about 76.6203269639.

The spelling of 449813 in words is "four hundred forty-nine thousand, eight hundred thirteen".