449646 has 8 divisors (see below), whose sum is σ = 899304. Its totient is φ = 149880.

The previous prime is 449629. The next prime is 449653. The reversal of 449646 is 646944.

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

449646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37465 + ... + 37476.

It is an arithmetic number, because the mean of its divisors is an integer number (112413).

2⁴⁴⁹⁶⁴⁶ is an apocalyptic number.

449646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449646 is a wasteful number, since it uses less digits than its factorization.

449646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74946.

The product of its digits is 20736, while the sum is 33.

The square root of 449646 is about 670.5564853165. The cubic root of 449646 is about 76.6108436316.

It can be divided in two parts, 44 and 9646, that multiplied together give a palindrome (424424).

The spelling of 449646 in words is "four hundred forty-nine thousand, six hundred forty-six".