449855 has 8 divisors (see below), whose sum is σ = 616992. Its totient is φ = 308448.

The previous prime is 449851. The next prime is 449879. The reversal of 449855 is 558944.

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

It is not a de Polignac number, because 449855 - 2² = 449851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 12853 = 449855 / (4 + 4 + 9 + 8 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6392 + ... + 6461.

It is an arithmetic number, because the mean of its divisors is an integer number (77124).

2⁴⁴⁹⁸⁵⁵ is an apocalyptic number.

449855 is a deficient number, since it is larger than the sum of its proper divisors (167137).

449855 is a wasteful number, since it uses less digits than its factorization.

449855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865.

The product of its digits is 28800, while the sum is 35.

The square root of 449855 is about 670.7123079234. The cubic root of 449855 is about 76.6227116242.

The spelling of 449855 in words is "four hundred forty-nine thousand, eight hundred fifty-five".