450404 has 6 divisors (see below), whose sum is σ = 788214. Its totient is φ = 225200.

The previous prime is 450403. The next prime is 450413. The reversal of 450404 is 404054.

It can be written as a sum of positive squares in only one way, i.e., 409600 + 40804 = 640^2 + 202^2 .

It is not an unprimeable number, because it can be changed into a prime (450403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56297 + ... + 56304.

It is an arithmetic number, because the mean of its divisors is an integer number (131369).

2⁴⁵⁰⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

450404 is a deficient number, since it is larger than the sum of its proper divisors (337810).

450404 is a wasteful number, since it uses less digits than its factorization.

450404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112605 (or 112603 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 450404 is about 671.1214495157. The cubic root of 450404 is about 76.6538688993.

Adding to 450404 its reverse (404054), we get a palindrome (854458).

The spelling of 450404 in words is "four hundred fifty thousand, four hundred four".