448646 has 8 divisors (see below), whose sum is σ = 734184. Its totient is φ = 203920.

The previous prime is 448633. The next prime is 448667. The reversal of 448646 is 646844.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 448646.

It is an unprimeable number.

448646 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 3 ways as a sum of consecutive naturals, for example, 10175 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (91773).

2⁴⁴⁸⁶⁴⁶ is an apocalyptic number.

448646 is a deficient number, since it is larger than the sum of its proper divisors (285538).

448646 is a wasteful number, since it uses less digits than its factorization.

448646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20406.

The product of its digits is 18432, while the sum is 32.

The square root of 448646 is about 669.8104209401. The cubic root of 448646 is about 76.5540080266.

The spelling of 448646 in words is "four hundred forty-eight thousand, six hundred forty-six".