1983128 has 24 divisors (see below), whose sum is σ = 4326300. Its totient is φ = 849744.

The previous prime is 1983109. The next prime is 1983143. The reversal of 1983128 is 8213891.

It is a junction number, because it is equal to n+sod(n) for n = 1983094 and 1983103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2138 + ... + 2921.

2^1983128 is an apocalyptic number.

It is an amenable number.

1983128 is an abundant number, since it is smaller than the sum of its proper divisors (2343172).

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

1983128 is a wasteful number, since it uses less digits than its factorization.

1983128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5079 (or 5068 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 1983128 is about 1408.2357757137. The cubic root of 1983128 is about 125.6368142318.

The spelling of 1983128 in words is "one million, nine hundred eighty-three thousand, one hundred twenty-eight".