807804 has 36 divisors (see below), whose sum is σ = 2151240. Its totient is φ = 254880.

The previous prime is 807797. The next prime is 807809. The reversal of 807804 is 408708.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807809) by changing a digit.

807804 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 11 ways as a sum of consecutive naturals, for example, 94 + ... + 1274.

2⁸⁰⁷⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075620).

807804 is an abundant number, since it is smaller than the sum of its proper divisors (1343436).

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

807804 is a wasteful number, since it uses less digits than its factorization.

807804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 807804 is about 898.7791719883. The cubic root of 807804 is about 93.1326584096.

The spelling of 807804 in words is "eight hundred seven thousand, eight hundred four".