3969983 has 2 divisors, whose sum is σ = 3969984. Its totient is φ = 3969982.

The previous prime is 3969971. The next prime is 3969997. The reversal of 3969983 is 3899693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3969983 - 2¹² = 3965887 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3969923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984991 + 1984992.

It is an arithmetic number, because the mean of its divisors is an integer number (1984992).

Almost surely, 2^3969983 is an apocalyptic number.

3969983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3969983 is an equidigital number, since it uses as much as digits as its factorization.

3969983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 47.

The square root of 3969983 is about 1992.4816184848. The cubic root of 3969983 is about 158.3420326399.

The spelling of 3969983 in words is "three million, nine hundred sixty-nine thousand, nine hundred eighty-three".