4206143 has 4 divisors (see below), whose sum is σ = 4211928. Its totient is φ = 4200360.

The previous prime is 4206127. The next prime is 4206151. The reversal of 4206143 is 3416024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4206143 - 2⁴ = 4206127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613 + ... + 3318.

It is an arithmetic number, because the mean of its divisors is an integer number (1052982).

Almost surely, 2^4206143 is an apocalyptic number.

4206143 is a deficient number, since it is larger than the sum of its proper divisors (5785).

4206143 is an equidigital number, since it uses as much as digits as its factorization.

4206143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4206143 is about 2050.8883441085. Note that the first 3 decimals coincide. The cubic root of 4206143 is about 161.4214873322.

The spelling of 4206143 in words is "four million, two hundred six thousand, one hundred forty-three".