1806824812 has 24 divisors (see below), whose sum is σ = 3413786096. Its totient is φ = 831809088.

The previous prime is 1806824771. The next prime is 1806824813. The reversal of 1806824812 is 2184286081.

It is not an unprimeable number, because it can be changed into a prime (1806824813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23118 + ... + 64405.

Almost surely, 2^1806824812 is an apocalyptic number.

It is an amenable number.

1806824812 is a deficient number, since it is larger than the sum of its proper divisors (1606961284).

1806824812 is a wasteful number, since it uses less digits than its factorization.

1806824812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87937 (or 87935 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 1806824812 is about 42506.7619561876. The cubic root of 1806824812 is about 1217.9758632983.

The spelling of 1806824812 in words is "one billion, eight hundred six million, eight hundred twenty-four thousand, eight hundred twelve".