3842143 has 2 divisors, whose sum is σ = 3842144. Its totient is φ = 3842142.

The previous prime is 3842101. The next prime is 3842147. The reversal of 3842143 is 3412483.

It is a strong prime.

It is an emirp because it is prime and its reverse (3412483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3842143 - 2⁹ = 3841631 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 8⁷ + 4⁵ + 2¹⁷ + 1 + 4⁷ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3842147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921071 + 1921072.

It is an arithmetic number, because the mean of its divisors is an integer number (1921072).

Almost surely, 2^3842143 is an apocalyptic number.

3842143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3842143 is an equidigital number, since it uses as much as digits as its factorization.

3842143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 25.

The square root of 3842143 is about 1960.1385155136. The cubic root of 3842143 is about 156.6238306508.

The spelling of 3842143 in words is "three million, eight hundred forty-two thousand, one hundred forty-three".