804002 has 8 divisors (see below), whose sum is σ = 1213212. Its totient is φ = 399600.

The previous prime is 803989. The next prime is 804007. The reversal of 804002 is 200408.

It can be written as a sum of positive squares in 2 ways, for example, as 755161 + 48841 = 869^2 + 221^2 .

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

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

804002 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749 + ... + 1472.

2⁸⁰⁴⁰⁰² is an apocalyptic number.

804002 is a deficient number, since it is larger than the sum of its proper divisors (409210).

804002 is a wasteful number, since it uses less digits than its factorization.

804002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 804002 is about 896.6615861070. The cubic root of 804002 is about 92.9863162509.

The spelling of 804002 in words is "eight hundred four thousand, two".