804444004 has 24 divisors (see below), whose sum is σ = 1732649408. Its totient is φ = 318241440.

The previous prime is 804444001. The next prime is 804444007. The reversal of 804444004 is 400444408.

It is an interprime number because it is at equal distance from previous prime (804444001) and next prime (804444007).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (804444001) 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, 1104642 + ... + 1105369.

Almost surely, 2^804444004 is an apocalyptic number.

It is an amenable number.

804444004 is an abundant number, since it is smaller than the sum of its proper divisors (928205404).

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

804444004 is a wasteful number, since it uses less digits than its factorization.

804444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210035 (or 2210033 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 804444004 is about 28362.7220837493. The cubic root of 804444004 is about 930.0335302205.

It can be divided in two parts, 80444 and 4004, that added together give a palindrome (84448).

The spelling of 804444004 in words is "eight hundred four million, four hundred forty-four thousand, four".