449888 has 24 divisors (see below), whose sum is σ = 938952. Its totient is φ = 211456.

The previous prime is 449879. The next prime is 449921. The reversal of 449888 is 888944.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449888.

It is an unprimeable number.

449888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (39123).

2⁴⁴⁹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469476).

449888 is an abundant number, since it is smaller than the sum of its proper divisors (489064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449888 is a wasteful number, since it uses less digits than its factorization.

449888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 846 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 449888 is about 670.7369081838. The cubic root of 449888 is about 76.6245851817.

The spelling of 449888 in words is "four hundred forty-nine thousand, eight hundred eighty-eight".