804001 has 4 divisors (see below), whose sum is σ = 877104. Its totient is φ = 730900.

The previous prime is 803989. The next prime is 804007. The reversal of 804001 is 100408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 804001 - 2¹⁵ = 771233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36535 + ... + 36556.

It is an arithmetic number, because the mean of its divisors is an integer number (219276).

2⁸⁰⁴⁰⁰¹ is an apocalyptic number.

It is an amenable number.

804001 is a deficient number, since it is larger than the sum of its proper divisors (73103).

804001 is a wasteful number, since it uses less digits than its factorization.

804001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73102.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 804001 is about 896.6610284829. The cubic root of 804001 is about 92.9862776994.

Adding to 804001 its reverse (100408), we get a palindrome (904409).

The spelling of 804001 in words is "eight hundred four thousand, one".