449901 has 16 divisors (see below), whose sum is σ = 702400. Its totient is φ = 283824.

The previous prime is 449879. The next prime is 449921. The reversal of 449901 is 109944.

It is not a de Polignac number, because 449901 - 2⁷ = 449773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449921) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (43900).

2⁴⁴⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

449901 is a deficient number, since it is larger than the sum of its proper divisors (252499).

449901 is a wasteful number, since it uses less digits than its factorization.

449901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 449901 is about 670.7465989478. The cubic root of 449901 is about 76.6253232247.

The spelling of 449901 in words is "four hundred forty-nine thousand, nine hundred one".