453404 has 12 divisors (see below), whose sum is σ = 906864. Its totient is φ = 194304.

The previous prime is 453379. The next prime is 453421. The reversal of 453404 is 404354.

It is a happy number.

453404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

453404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069 + ... + 8124.

It is an arithmetic number, because the mean of its divisors is an integer number (75572).

2⁴⁵³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

453404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

453404 is a wasteful number, since it uses less digits than its factorization.

453404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204 (or 16202 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 453404 is about 673.3528049990. The cubic root of 453404 is about 76.8236815714.

Adding to 453404 its reverse (404354), we get a palindrome (857758).

The spelling of 453404 in words is "four hundred fifty-three thousand, four hundred four".