1983606 has 16 divisors (see below), whose sum is σ = 3985200. Its totient is φ = 658208.

The previous prime is 1983601. The next prime is 1983643. The reversal of 1983606 is 6063891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (249075).

2^1983606 is an apocalyptic number.

1983606 is an abundant number, since it is smaller than the sum of its proper divisors (2001594).

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

1983606 is a wasteful number, since it uses less digits than its factorization.

1983606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1983606 is about 1408.4054813867. The cubic root of 1983606 is about 125.6469076419.

The spelling of 1983606 in words is "one million, nine hundred eighty-three thousand, six hundred six".