449320 has 32 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 175168.

The previous prime is 449311. The next prime is 449321. The reversal of 449320 is 23944.

It is a junction number, because it is equal to n+sod(n) for n = 449291 and 449300.

It is not an unprimeable number, because it can be changed into a prime (449321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (32400).

2⁴⁴⁹³²⁰ is an apocalyptic number.

449320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400).

449320 is an abundant number, since it is smaller than the sum of its proper divisors (587480).

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

449320 is a wasteful number, since it uses less digits than its factorization.

449320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 449320 is about 670.3133595566. The cubic root of 449320 is about 76.5923244905.

The spelling of 449320 in words is "four hundred forty-nine thousand, three hundred twenty".