3959143 has 2 divisors, whose sum is σ = 3959144. Its totient is φ = 3959142.

The previous prime is 3959141. The next prime is 3959159. The reversal of 3959143 is 3419593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3959143 - 2¹ = 3959141 is a prime.

Together with 3959141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3959099 and 3959108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3959141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1979571 + 1979572.

It is an arithmetic number, because the mean of its divisors is an integer number (1979572).

Almost surely, 2^3959143 is an apocalyptic number.

3959143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3959143 is an equidigital number, since it uses as much as digits as its factorization.

3959143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 3959143 is about 1989.7595332100. The cubic root of 3959143 is about 158.1977841433.

The spelling of 3959143 in words is "three million, nine hundred fifty-nine thousand, one hundred forty-three".