1808946996 has 24 divisors (see below), whose sum is σ = 4259603040. Its totient is φ = 597449952.

The previous prime is 1808946959. The next prime is 1808947013. The reversal of 1808946996 is 6996498081.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 690186 + ... + 692801.

It is an arithmetic number, because the mean of its divisors is an integer number (177483460).

Almost surely, 2^1808946996 is an apocalyptic number.

It is an amenable number.

1808946996 is an abundant number, since it is smaller than the sum of its proper divisors (2450656044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1808946996 is a wasteful number, since it uses less digits than its factorization.

1808946996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383103 (or 1383101 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 1808946996 is about 42531.7175293921. The cubic root of 1808946996 is about 1218.4525296142.

The spelling of 1808946996 in words is "one billion, eight hundred eight million, nine hundred forty-six thousand, nine hundred ninety-six".