804407 has 4 divisors (see below), whose sum is σ = 817656. Its totient is φ = 791160.

The previous prime is 804383. The next prime is 804409. The reversal of 804407 is 704408.

804407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 804407 - 2¹² = 800311 is a prime.

It is a Duffinian number.

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 804407.

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 3 ways as a sum of consecutive naturals, for example, 6533 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (204414).

2⁸⁰⁴⁴⁰⁷ is an apocalyptic number.

804407 is a deficient number, since it is larger than the sum of its proper divisors (13249).

804407 is a wasteful number, since it uses less digits than its factorization.

804407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 804407 is about 896.8873953847. The cubic root of 804407 is about 93.0019269651.

Subtracting from 804407 its reverse (704408), we obtain a palindrome (99999).

The spelling of 804407 in words is "eight hundred four thousand, four hundred seven".