449723 has 4 divisors (see below), whose sum is σ = 453288. Its totient is φ = 446160.

The previous prime is 449699. The next prime is 449741. The reversal of 449723 is 327944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449723 - 2¹⁶ = 384187 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449723.

It is not an unprimeable number, because it can be changed into a prime (449773) 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 3 ways as a sum of consecutive naturals, for example, 1586 + ... + 1847.

It is an arithmetic number, because the mean of its divisors is an integer number (113322).

2⁴⁴⁹⁷²³ is an apocalyptic number.

449723 is a deficient number, since it is larger than the sum of its proper divisors (3565).

449723 is a wasteful number, since it uses less digits than its factorization.

449723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564.

The product of its digits is 6048, while the sum is 29.

The square root of 449723 is about 670.6138978578. The cubic root of 449723 is about 76.6152164777.

The spelling of 449723 in words is "four hundred forty-nine thousand, seven hundred twenty-three".