804004441 has 4 divisors (see below), whose sum is σ = 804154084. Its totient is φ = 803854800.

The previous prime is 804004433. The next prime is 804004459. The reversal of 804004441 is 144400408.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163712025 + 640292416 = 12795^2 + 25304^2 .

It is a cyclic number.

It is not a de Polignac number, because 804004441 - 2³ = 804004433 is a prime.

It is a super-2 number, since 2×804004441² = 1292846282295444962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804004141) 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, 66450 + ... + 77611.

It is an arithmetic number, because the mean of its divisors is an integer number (201038521).

Almost surely, 2^804004441 is an apocalyptic number.

It is an amenable number.

804004441 is a deficient number, since it is larger than the sum of its proper divisors (149643).

804004441 is a wasteful number, since it uses less digits than its factorization.

804004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149642.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 804004441 is about 28354.9720684045. The cubic root of 804004441 is about 929.8641035485.

Adding to 804004441 its reverse (144400408), we get a palindrome (948404849).

The spelling of 804004441 in words is "eight hundred four million, four thousand, four hundred forty-one".