449423 has 8 divisors (see below), whose sum is σ = 489216. Its totient is φ = 410400.

The previous prime is 449419. The next prime is 449437. The reversal of 449423 is 324944.

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

It is a cyclic number.

It is not a de Polignac number, because 449423 - 2² = 449419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449392 and 449401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449473) 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, 2258 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (61152).

2⁴⁴⁹⁴²³ is an apocalyptic number.

449423 is a deficient number, since it is larger than the sum of its proper divisors (39793).

449423 is a wasteful number, since it uses less digits than its factorization.

449423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 3456, while the sum is 26.

The square root of 449423 is about 670.3901848924. The cubic root of 449423 is about 76.5981765979.

The spelling of 449423 in words is "four hundred forty-nine thousand, four hundred twenty-three".