4007143 has 4 divisors (see below), whose sum is σ = 4579600. Its totient is φ = 3434688.

The previous prime is 4007141. The next prime is 4007147. The reversal of 4007143 is 3417004.

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 4007143 - 2¹ = 4007141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4007143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007141) 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 in 3 ways as a sum of consecutive naturals, for example, 286218 + ... + 286231.

It is an arithmetic number, because the mean of its divisors is an integer number (1144900).

Almost surely, 2^4007143 is an apocalyptic number.

4007143 is a deficient number, since it is larger than the sum of its proper divisors (572457).

4007143 is an equidigital number, since it uses as much as digits as its factorization.

4007143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572456.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4007143 is about 2001.7849534853. The cubic root of 4007143 is about 158.8345390550.

The spelling of 4007143 in words is "four million, seven thousand, one hundred forty-three".