449845 has 8 divisors (see below), whose sum is σ = 588960. Its totient is φ = 327120.

The previous prime is 449833. The next prime is 449851. The reversal of 449845 is 548944.

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

It is not a de Polignac number, because 449845 - 2⁹ = 449333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (73620).

2⁴⁴⁹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

449845 is a deficient number, since it is larger than the sum of its proper divisors (139115).

449845 is a wasteful number, since it uses less digits than its factorization.

449845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8195.

The product of its digits is 23040, while the sum is 34.

The square root of 449845 is about 670.7048531210. The cubic root of 449845 is about 76.6221438614.

Subtracting 449845 from its reverse (548944), we obtain a palindrome (99099).

It can be divided in two parts, 44 and 9845, that added together give a palindrome (9889).

The spelling of 449845 in words is "four hundred forty-nine thousand, eight hundred forty-five".