804808 has 16 divisors (see below), whose sum is σ = 1561500. Its totient is φ = 388416.

The previous prime is 804803. The next prime is 804823. The reversal of 804808 is 808408.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 68644 = 858^2 + 262^2 .

It is not an unprimeable number, because it can be changed into a prime (804803) 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, 1503 + ... + 1966.

2⁸⁰⁴⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

804808 is a deficient number, since it is larger than the sum of its proper divisors (756692).

804808 is a wasteful number, since it uses less digits than its factorization.

804808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 804808 is about 897.1109184488. The cubic root of 804808 is about 93.0173783380.

Subtracting 804808 from its reverse (808408), we obtain a square (3600 = 60²).

The spelling of 804808 in words is "eight hundred four thousand, eight hundred eight".