3899983 has 2 divisors, whose sum is σ = 3899984. Its totient is φ = 3899982.

The previous prime is 3899981. The next prime is 3899989.

3899983 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3899983 - 2¹ = 3899981 is a prime.

Together with 3899981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3899981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949991 + 1949992.

It is an arithmetic number, because the mean of its divisors is an integer number (1949992).

Almost surely, 2^3899983 is an apocalyptic number.

3899983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3899983 is an equidigital number, since it uses as much as digits as its factorization.

3899983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 49.

The square root of 3899983 is about 1974.8374616661. The cubic root of 3899983 is about 157.4058629531.

The spelling of 3899983 in words is "three million, eight hundred ninety-nine thousand, nine hundred eighty-three".