804404999 has 8 divisors (see below), whose sum is σ = 825095040. Its totient is φ = 783805176.

The previous prime is 804404989. The next prime is 804405011. The reversal of 804404999 is 999404408.

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

It is a cyclic number.

It is not a de Polignac number, because 804404999 - 2⁴ = 804404983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804404989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (103136880).

Almost surely, 2^804404999 is an apocalyptic number.

804404999 is a deficient number, since it is larger than the sum of its proper divisors (20690041).

804404999 is a wasteful number, since it uses less digits than its factorization.

804404999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45109.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 804404999 is about 28362.0344651085. The cubic root of 804404999 is about 930.0184984951.

The spelling of 804404999 in words is "eight hundred four million, four hundred four thousand, nine hundred ninety-nine".