449993 has 8 divisors (see below), whose sum is σ = 475200. Its totient is φ = 425488.

The previous prime is 449989. The next prime is 450001. The reversal of 449993 is 399944.

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

It is not a de Polignac number, because 449993 - 2² = 449989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449963) 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, 1580 + ... + 1842.

It is an arithmetic number, because the mean of its divisors is an integer number (59400).

2⁴⁴⁹⁹⁹³ is an apocalyptic number.

It is an amenable number.

449993 is a deficient number, since it is larger than the sum of its proper divisors (25207).

449993 is a wasteful number, since it uses less digits than its factorization.

449993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its digits is 34992, while the sum is 38.

The square root of 449993 is about 670.8151757377. The cubic root of 449993 is about 76.6305458917.

The spelling of 449993 in words is "four hundred forty-nine thousand, nine hundred ninety-three".