804453 has 8 divisors (see below), whose sum is σ = 1155168. Its totient is φ = 495024.

The previous prime is 804449. The next prime is 804473. The reversal of 804453 is 354408.

It is a happy number.

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

It is not a de Polignac number, because 804453 - 2² = 804449 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804443) 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, 10275 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (144396).

2⁸⁰⁴⁴⁵³ is an apocalyptic number.

It is an amenable number.

804453 is a deficient number, since it is larger than the sum of its proper divisors (350715).

804453 is a wasteful number, since it uses less digits than its factorization.

804453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20643.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 804453 is about 896.9130392630. The cubic root of 804453 is about 93.0036997025.

The spelling of 804453 in words is "eight hundred four thousand, four hundred fifty-three".