1983112 has 8 divisors (see below), whose sum is σ = 3718350. Its totient is φ = 991552.

The previous prime is 1983109. The next prime is 1983143. The reversal of 1983112 is 2113891.

It can be written as a sum of positive squares in only one way, i.e., 1811716 + 171396 = 1346^2 + 414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123937 + ... + 123952.

2^1983112 is an apocalyptic number.

It is an amenable number.

1983112 is a deficient number, since it is larger than the sum of its proper divisors (1735238).

1983112 is a wasteful number, since it uses less digits than its factorization.

1983112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247895 (or 247891 counting only the distinct ones).

The product of its digits is 432, while the sum is 25.

The square root of 1983112 is about 1408.2300948354. The cubic root of 1983112 is about 125.6364763490.

The spelling of 1983112 in words is "one million, nine hundred eighty-three thousand, one hundred twelve".