450489 has 8 divisors (see below), whose sum is σ = 646912. Its totient is φ = 277200.

The previous prime is 450487. The next prime is 450493. The reversal of 450489 is 984054.

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

It is not a de Polignac number, because 450489 - 2¹ = 450487 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 450489.

It is not an unprimeable number, because it can be changed into a prime (450481) 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, 5737 + ... + 5814.

It is an arithmetic number, because the mean of its divisors is an integer number (80864).

2⁴⁵⁰⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

450489 is a deficient number, since it is larger than the sum of its proper divisors (196423).

450489 is a wasteful number, since it uses less digits than its factorization.

450489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 450489 is about 671.1847733672. The cubic root of 450489 is about 76.6586906216.

It can be divided in two parts, 450 and 489, that added together give a palindrome (939).

The spelling of 450489 in words is "four hundred fifty thousand, four hundred eighty-nine".