3983839 has 2 divisors, whose sum is σ = 3983840. Its totient is φ = 3983838.

The previous prime is 3983809. The next prime is 3983869. The reversal of 3983839 is 9383893.

It is a balanced prime because it is at equal distance from previous prime (3983809) and next prime (3983869).

It is a cyclic number.

It is not a de Polignac number, because 3983839 - 2¹⁵ = 3951071 is a prime.

3983839 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3983795 and 3983804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3983809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1991919 + 1991920.

It is an arithmetic number, because the mean of its divisors is an integer number (1991920).

Almost surely, 2^3983839 is an apocalyptic number.

3983839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3983839 is an equidigital number, since it uses as much as digits as its factorization.

3983839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 3983839 is about 1995.9556608302. The cubic root of 3983839 is about 158.5260333996.

The spelling of 3983839 in words is "three million, nine hundred eighty-three thousand, eight hundred thirty-nine".