1803919146 has 16 divisors (see below), whose sum is σ = 3608328000. Its totient is φ = 601224768.

The previous prime is 1803919123. The next prime is 1803919157. The reversal of 1803919146 is 6419193081.

It is a junction number, because it is equal to n+sod(n) for n = 1803919098 and 1803919107.

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, 42315 + ... + 73473.

It is an arithmetic number, because the mean of its divisors is an integer number (225520500).

Almost surely, 2^1803919146 is an apocalyptic number.

1803919146 is an abundant number, since it is smaller than the sum of its proper divisors (1804408854).

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

1803919146 is a wasteful number, since it uses less digits than its factorization.

1803919146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40813.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1803919146 is about 42472.5693359844. The cubic root of 1803919146 is about 1217.3226123874.

The spelling of 1803919146 in words is "one billion, eight hundred three million, nine hundred nineteen thousand, one hundred forty-six".