449765 has 8 divisors (see below), whose sum is σ = 563328. Its totient is φ = 344080.

The previous prime is 449759. The next prime is 449767. The reversal of 449765 is 567944.

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

It is not a de Polignac number, because 449765 - 2¹⁰ = 448741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449767) 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, 1841 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (70416).

2⁴⁴⁹⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

449765 is a deficient number, since it is larger than the sum of its proper divisors (113563).

449765 is a wasteful number, since it uses less digits than its factorization.

449765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939.

The product of its digits is 30240, while the sum is 35.

The square root of 449765 is about 670.6452117178. The cubic root of 449765 is about 76.6176014561.

The spelling of 449765 in words is "four hundred forty-nine thousand, seven hundred sixty-five".