1983568 has 10 divisors (see below), whose sum is σ = 3843194. Its totient is φ = 991776.

The previous prime is 1983563. The next prime is 1983587. The reversal of 1983568 is 8653891.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1817104 + 166464 = 1348^2 + 408^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1983568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61971 + ... + 62002.

2^1983568 is an apocalyptic number.

It is an amenable number.

1983568 is a deficient number, since it is larger than the sum of its proper divisors (1859626).

1983568 is a wasteful number, since it uses less digits than its factorization.

1983568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123981 (or 123975 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 1983568 is about 1408.3919908889. The cubic root of 1983568 is about 125.6461052963.

The spelling of 1983568 in words is "one million, nine hundred eighty-three thousand, five hundred sixty-eight".