804005288 has 8 divisors (see below), whose sum is σ = 1507509930. Its totient is φ = 402002640.

The previous prime is 804005287. The next prime is 804005297. The reversal of 804005288 is 882500408.

It can be written as a sum of positive squares in only one way, i.e., 402483844 + 401521444 = 20062^2 + 20038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (804005281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250323 + ... + 50250338.

Almost surely, 2^804005288 is an apocalyptic number.

It is an amenable number.

804005288 is a deficient number, since it is larger than the sum of its proper divisors (703504642).

804005288 is a wasteful number, since it uses less digits than its factorization.

804005288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100500667 (or 100500663 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 804005288 is about 28354.9870040527. The cubic root of 804005288 is about 929.8644300784.

The spelling of 804005288 in words is "eight hundred four million, five thousand, two hundred eighty-eight".