449418 has 8 divisors (see below), whose sum is σ = 898848. Its totient is φ = 149804.

The previous prime is 449417. The next prime is 449419. The reversal of 449418 is 814944.

It is an interprime number because it is at equal distance from previous prime (449417) and next prime (449419).

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

449418 is an admirable number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37446 + ... + 37457.

It is an arithmetic number, because the mean of its divisors is an integer number (112356).

2⁴⁴⁹⁴¹⁸ is an apocalyptic number.

449418 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.

449418 is a wasteful number, since it uses less digits than its factorization.

449418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74908.

The product of its digits is 4608, while the sum is 30.

The square root of 449418 is about 670.3864557104. The cubic root of 449418 is about 76.5978925356.

The spelling of 449418 in words is "four hundred forty-nine thousand, four hundred eighteen".