449020 has 48 divisors (see below), whose sum is σ = 1114848. Its totient is φ = 149760.

The previous prime is 449011. The next prime is 449051. The reversal of 449020 is 20944.

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, 2782 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (23226).

2⁴⁴⁹⁰²⁰ 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 449020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557424).

449020 is an abundant number, since it is smaller than the sum of its proper divisors (665828).

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

449020 is a wasteful number, since it uses less digits than its factorization.

449020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 449020 is about 670.0895462548. The cubic root of 449020 is about 76.5752744199.

Adding to 449020 its reverse (20944), we get a palindrome (469964).

The spelling of 449020 in words is "four hundred forty-nine thousand, twenty".