449455 has 4 divisors (see below), whose sum is σ = 539352. Its totient is φ = 359560.

The previous prime is 449441. The next prime is 449459. The reversal of 449455 is 554944.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 449455 - 2¹³ = 441263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44941 + ... + 44950.

It is an arithmetic number, because the mean of its divisors is an integer number (134838).

2⁴⁴⁹⁴⁵⁵ is an apocalyptic number.

449455 is a deficient number, since it is larger than the sum of its proper divisors (89897).

449455 is an equidigital number, since it uses as much as digits as its factorization.

449455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89896.

The product of its digits is 14400, while the sum is 31.

The square root of 449455 is about 670.4140511654. The cubic root of 449455 is about 76.5999945463.

The spelling of 449455 in words is "four hundred forty-nine thousand, four hundred fifty-five".