449885 has 4 divisors (see below), whose sum is σ = 539868. Its totient is φ = 359904.

The previous prime is 449879. The next prime is 449921. The reversal of 449885 is 588944.

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

It can be written as a sum of positive squares in 2 ways, for example, as 329476 + 120409 = 574^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 449885 - 2⁶ = 449821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 44984 + ... + 44993.

It is an arithmetic number, because the mean of its divisors is an integer number (134967).

2⁴⁴⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

449885 is a deficient number, since it is larger than the sum of its proper divisors (89983).

449885 is an equidigital number, since it uses as much as digits as its factorization.

449885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89982.

The product of its digits is 46080, while the sum is 38.

The square root of 449885 is about 670.7346718338. The cubic root of 449885 is about 76.6244148621.

The spelling of 449885 in words is "four hundred forty-nine thousand, eight hundred eighty-five".