800004512 has 12 divisors (see below), whose sum is σ = 1575008946. Its totient is φ = 400002240.

The previous prime is 800004511. The next prime is 800004533. The reversal of 800004512 is 215400008.

It can be written as a sum of positive squares in only one way, i.e., 635241616 + 164762896 = 25204^2 + 12836^2 .

It is not an unprimeable number, because it can be changed into a prime (800004511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500039 + ... + 12500102.

Almost surely, 2^800004512 is an apocalyptic number.

It is an amenable number.

800004512 is a deficient number, since it is larger than the sum of its proper divisors (775004434).

800004512 is a wasteful number, since it uses less digits than its factorization.

800004512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000151 (or 25000143 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 800004512 is about 28284.3510089944. The cubic root of 800004512 is about 928.3195119567.

The spelling of 800004512 in words is "eight hundred million, four thousand, five hundred twelve".