1899980796 has 24 divisors (see below), whose sum is σ = 5066615680. Its totient is φ = 542851632.

The previous prime is 1899980773. The next prime is 1899980813. The reversal of 1899980796 is 6970899981.

It is a congruent number.

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, 11309326 + ... + 11309493.

Almost surely, 2^1899980796 is an apocalyptic number.

It is an amenable number.

1899980796 is an abundant number, since it is smaller than the sum of its proper divisors (3166634884).

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

1899980796 is a wasteful number, since it uses less digits than its factorization.

1899980796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22618833 (or 22618831 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 66.

The square root of 1899980796 is about 43588.7691498624. The cubic root of 1899980796 is about 1238.5581567475.

The spelling of 1899980796 in words is "one billion, eight hundred ninety-nine million, nine hundred eighty thousand, seven hundred ninety-six".