449505 has 24 divisors (see below), whose sum is σ = 891072. Its totient is φ = 205344.

The previous prime is 449473. The next prime is 449543. The reversal of 449505 is 505944.

It is not a de Polignac number, because 449505 - 2⁵ = 449473 is a prime.

449505 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (37128).

2⁴⁴⁹⁵⁰⁵ is an apocalyptic number.

449505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

449505 is a deficient number, since it is larger than the sum of its proper divisors (441567).

449505 is a wasteful number, since it uses less digits than its factorization.

449505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 449505 is about 670.4513405162. The cubic root of 449505 is about 76.6028349179.

The spelling of 449505 in words is "four hundred forty-nine thousand, five hundred five".