440446 has 8 divisors (see below), whose sum is σ = 664704. Its totient is φ = 218880.

The previous prime is 440443. The next prime is 440471. The reversal of 440446 is 644044.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 195 + ... + 958.

It is an arithmetic number, because the mean of its divisors is an integer number (83088).

2⁴⁴⁰⁴⁴⁶ is an apocalyptic number.

440446 is a deficient number, since it is larger than the sum of its proper divisors (224258).

440446 is a wasteful number, since it uses less digits than its factorization.

440446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440446 is about 663.6610580711. The cubic root of 440446 is about 76.0847392764.

The spelling of 440446 in words is "four hundred forty thousand, four hundred forty-six".