1983849 has 16 divisors (see below), whose sum is σ = 3201408. Its totient is φ = 1066752.

The previous prime is 1983833. The next prime is 1983851. The reversal of 1983849 is 9483891.

It is not a de Polignac number, because 1983849 - 2⁴ = 1983833 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1983849.

It is not an unprimeable number, because it can be changed into a prime (1983859) 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 15 ways as a sum of consecutive naturals, for example, 2422 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (200088).

2^1983849 is an apocalyptic number.

It is an amenable number.

1983849 is a deficient number, since it is larger than the sum of its proper divisors (1217559).

1983849 is a wasteful number, since it uses less digits than its factorization.

1983849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5584.

The product of its digits is 62208, while the sum is 42.

The square root of 1983849 is about 1408.4917465147. The cubic root of 1983849 is about 125.6520381890.

Adding to 1983849 its sum of digits (42), we get a palindrome (1983891).

The spelling of 1983849 in words is "one million, nine hundred eighty-three thousand, eight hundred forty-nine".