3998983 has 2 divisors, whose sum is σ = 3998984. Its totient is φ = 3998982.

The previous prime is 3998971. The next prime is 3998993. The reversal of 3998983 is 3898993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3998983 - 2¹⁷ = 3867911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3998993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999491 + 1999492.

It is an arithmetic number, because the mean of its divisors is an integer number (1999492).

Almost surely, 2^3998983 is an apocalyptic number.

3998983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3998983 is an equidigital number, since it uses as much as digits as its factorization.

3998983 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 3998983 is about 1999.7457338372. The cubic root of 3998983 is about 158.7266508326.

The spelling of 3998983 in words is "three million, nine hundred ninety-eight thousand, nine hundred eighty-three".