806687204 has 12 divisors (see below), whose sum is σ = 1411901484. Its totient is φ = 403286784.

The previous prime is 806687173. The next prime is 806687207. The reversal of 806687204 is 402786608.

It can be written as a sum of positive squares in 2 ways, for example, as 279892900 + 526794304 = 16730^2 + 22952^2 .

It is not an unprimeable number, because it can be changed into a prime (806687207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48224 + ... + 62760.

It is an arithmetic number, because the mean of its divisors is an integer number (117658457).

Almost surely, 2^806687204 is an apocalyptic number.

It is an amenable number.

806687204 is a deficient number, since it is larger than the sum of its proper divisors (605214280).

806687204 is a wasteful number, since it uses less digits than its factorization.

806687204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28414 (or 28412 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 806687204 is about 28402.2394187501. The cubic root of 806687204 is about 930.8971971449.

The spelling of 806687204 in words is "eight hundred six million, six hundred eighty-seven thousand, two hundred four".