3983849 has 4 divisors (see below), whose sum is σ = 4049220. Its totient is φ = 3918480.

The previous prime is 3983839. The next prime is 3983869. The reversal of 3983849 is 9483893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1525225 + 2458624 = 1235^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3983849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3983809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32594 + ... + 32715.

It is an arithmetic number, because the mean of its divisors is an integer number (1012305).

Almost surely, 2^3983849 is an apocalyptic number.

It is an amenable number.

3983849 is a deficient number, since it is larger than the sum of its proper divisors (65371).

3983849 is an equidigital number, since it uses as much as digits as its factorization.

3983849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65370.

The product of its digits is 186624, while the sum is 44.

The square root of 3983849 is about 1995.9581658943. The cubic root of 3983849 is about 158.5261660404.

Adding to 3983849 its sum of digits (44), we get a palindrome (3983893).

The spelling of 3983849 in words is "three million, nine hundred eighty-three thousand, eight hundred forty-nine".