1802811916 has 24 divisors (see below), whose sum is σ = 3197841920. Its totient is φ = 889164432.

The previous prime is 1802811823. The next prime is 1802811929. The reversal of 1802811916 is 6191182081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466705 + ... + 470551.

Almost surely, 2^1802811916 is an apocalyptic number.

It is an amenable number.

1802811916 is a deficient number, since it is larger than the sum of its proper divisors (1395030004).

1802811916 is a wasteful number, since it uses less digits than its factorization.

1802811916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413 (or 5411 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The square root of 1802811916 is about 42459.5326870186. The cubic root of 1802811916 is about 1217.0735007092.

Adding to 1802811916 its reverse (6191182081), we get a palindrome (7993993997).

The spelling of 1802811916 in words is "one billion, eight hundred two million, eight hundred eleven thousand, nine hundred sixteen".