449220 has 24 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 119776.

The previous prime is 449209. The next prime is 449227. The reversal of 449220 is 22944.

It is not an unprimeable number, because it can be changed into a prime (449227) by changing a digit.

449220 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 7 ways as a sum of consecutive naturals, for example, 3684 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2⁴⁴⁹²²⁰ is an apocalyptic number.

It is an amenable number.

449220 is an abundant number, since it is smaller than the sum of its proper divisors (808764).

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

449220 is a wasteful number, since it uses less digits than its factorization.

449220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 449220 is about 670.2387634269. The cubic root of 449220 is about 76.5866419771.

The spelling of 449220 in words is "four hundred forty-nine thousand, two hundred twenty".