449500 has 48 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 168000.

The previous prime is 449473. The next prime is 449543. The reversal of 449500 is 5944.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 14485 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2⁴⁴⁹⁵⁰⁰ 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 449500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524160).

449500 is an abundant number, since it is smaller than the sum of its proper divisors (598820).

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

449500 is a wasteful number, since it uses less digits than its factorization.

449500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 449500 is about 670.4476116745. The cubic root of 449500 is about 76.6025508902.

Subtracting from 449500 its reverse (5944), we obtain a square (443556 = 666²).

It can be divided in two parts, 449 and 500, that added together give a palindrome (949).

The spelling of 449500 in words is "four hundred forty-nine thousand, five hundred".