804406 has 16 divisors (see below), whose sum is σ = 1302480. Its totient is φ = 371200.

The previous prime is 804383. The next prime is 804409. The reversal of 804406 is 604408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 804406.

It is not an unprimeable number, because it can be changed into a prime (804409) 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, 1806 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (81405).

2⁸⁰⁴⁴⁰⁶ is an apocalyptic number.

804406 is a deficient number, since it is larger than the sum of its proper divisors (498074).

804406 is a wasteful number, since it uses less digits than its factorization.

804406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 804406 is about 896.8868379010. The cubic root of 804406 is about 93.0018884266.

The spelling of 804406 in words is "eight hundred four thousand, four hundred six".