440449 has 4 divisors (see below), whose sum is σ = 450736. Its totient is φ = 430164.

The previous prime is 440443. The next prime is 440471. The reversal of 440449 is 944044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440449 - 2³ = 440441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5079 + ... + 5164.

It is an arithmetic number, because the mean of its divisors is an integer number (112684).

2⁴⁴⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

440449 is a deficient number, since it is larger than the sum of its proper divisors (10287).

440449 is a wasteful number, since it uses less digits than its factorization.

440449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 440449 is about 663.6633182571. The cubic root of 440449 is about 76.0849120208.

The spelling of 440449 in words is "four hundred forty thousand, four hundred forty-nine".