1983930680 has 16 divisors (see below), whose sum is σ = 4463844120. Its totient is φ = 793572256.

The previous prime is 1983930671. The next prime is 1983930701. The reversal of 1983930680 is 860393891.

1983930680 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24799094 + ... + 24799173.

Almost surely, 2^1983930680 is an apocalyptic number.

1983930680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1983930680 is an abundant number, since it is smaller than the sum of its proper divisors (2479913440).

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

1983930680 is a wasteful number, since it uses less digits than its factorization.

1983930680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49598278 (or 49598274 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 1983930680 is about 44541.3367558721. The cubic root of 1983930680 is about 1256.5376263435.

The spelling of 1983930680 in words is "one billion, nine hundred eighty-three million, nine hundred thirty thousand, six hundred eighty".