3983869 has 2 divisors, whose sum is σ = 3983870. Its totient is φ = 3983868.

The previous prime is 3983839. The next prime is 3983873. The reversal of 3983869 is 9683893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 3844 = 1995^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 3983869 - 2¹¹ = 3981821 is a prime.

It is a super-2 number, since 2×3983869² = 31742424418322, which contains 22 as substring.

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, 1991934 + 1991935.

It is an arithmetic number, because the mean of its divisors is an integer number (1991935).

Almost surely, 2^3983869 is an apocalyptic number.

It is an amenable number.

3983869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3983869 is an equidigital number, since it uses as much as digits as its factorization.

3983869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 3983869 is about 1995.9631760130. The cubic root of 3983869 is about 158.5264313214.

The spelling of 3983869 in words is "three million, nine hundred eighty-three thousand, eight hundred sixty-nine".