449998 has 8 divisors (see below), whose sum is σ = 684720. Its totient is φ = 221760.

The previous prime is 449989. The next prime is 450001. The reversal of 449998 is 899944.

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

It is a congruent number.

It is an unprimeable number.

449998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (85590).

2⁴⁴⁹⁹⁹⁸ is an apocalyptic number.

449998 is a deficient number, since it is larger than the sum of its proper divisors (234722).

449998 is a wasteful number, since it uses less digits than its factorization.

449998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242.

The product of its digits is 93312, while the sum is 43.

The square root of 449998 is about 670.8189025363. The cubic root of 449998 is about 76.6308297119.

The spelling of 449998 in words is "four hundred forty-nine thousand, nine hundred ninety-eight".