424449 has 6 divisors (see below), whose sum is σ = 613106. Its totient is φ = 282960.

The previous prime is 424433. The next prime is 424451. The reversal of 424449 is 944424.

It can be written as a sum of positive squares in only one way, i.e., 294849 + 129600 = 543^2 + 360^2 .

It is not a de Polignac number, because 424449 - 2⁴ = 424433 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 424449.

It is not an unprimeable number, because it can be changed into a prime (424429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23572 + ... + 23589.

2⁴²⁴⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

424449 is a deficient number, since it is larger than the sum of its proper divisors (188657).

424449 is a wasteful number, since it uses less digits than its factorization.

424449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47167 (or 47164 counting only the distinct ones).

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

The square root of 424449 is about 651.4975057512. The cubic root of 424449 is about 75.1522241617.

The spelling of 424449 in words is "four hundred twenty-four thousand, four hundred forty-nine".