3858143 has 2 divisors, whose sum is σ = 3858144. Its totient is φ = 3858142.

The previous prime is 3858103. The next prime is 3858157. The reversal of 3858143 is 3418583.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3858143 - 2⁶ = 3858079 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3858103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929071 + 1929072.

It is an arithmetic number, because the mean of its divisors is an integer number (1929072).

Almost surely, 2^3858143 is an apocalyptic number.

3858143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858143 is an equidigital number, since it uses as much as digits as its factorization.

3858143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 3858143 is about 1964.2156195286. The cubic root of 3858143 is about 156.8409413213.

The spelling of 3858143 in words is "three million, eight hundred fifty-eight thousand, one hundred forty-three".