804851836 has 12 divisors (see below), whose sum is σ = 1410792712. Its totient is φ = 401768208.

The previous prime is 804851833. The next prime is 804851891. The reversal of 804851836 is 638158408.

It is a junction number, because it is equal to n+sod(n) for n = 804851792 and 804851801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804851833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161670 + ... + 166573.

Almost surely, 2^804851836 is an apocalyptic number.

It is an amenable number.

804851836 is a deficient number, since it is larger than the sum of its proper divisors (605940876).

804851836 is a wasteful number, since it uses less digits than its factorization.

804851836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328860 (or 328858 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 804851836 is about 28369.9107506527. The cubic root of 804851836 is about 930.1906711994.

The spelling of 804851836 in words is "eight hundred four million, eight hundred fifty-one thousand, eight hundred thirty-six".