449424 has 30 divisors (see below), whose sum is σ = 1258166. Its totient is φ = 149760.

The previous prime is 449419. The next prime is 449437. The reversal of 449424 is 424944.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 219024 = 480^2 + 468^2 .

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 9.

It is an unprimeable number.

449424 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 5 ways as a sum of consecutive naturals, for example, 1417 + ... + 1704.

2⁴⁴⁹⁴²⁴ is an apocalyptic number.

It is an amenable number.

449424 is an abundant number, since it is smaller than the sum of its proper divisors (808742).

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

449424 is a wasteful number, since it uses less digits than its factorization.

449424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135 (or 3126 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 449424 is about 670.3909307262. The cubic root of 449424 is about 76.5982334101.

The spelling of 449424 in words is "four hundred forty-nine thousand, four hundred twenty-four".