4143863 has 4 divisors (see below), whose sum is σ = 4277568. Its totient is φ = 4010160.

The previous prime is 4143859. The next prime is 4143871. The reversal of 4143863 is 3683414.

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

It is not a de Polignac number, because 4143863 - 2² = 4143859 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 (4143803) 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 in 3 ways as a sum of consecutive naturals, for example, 66806 + ... + 66867.

It is an arithmetic number, because the mean of its divisors is an integer number (1069392).

Almost surely, 2^4143863 is an apocalyptic number.

4143863 is a deficient number, since it is larger than the sum of its proper divisors (133705).

4143863 is a wasteful number, since it uses less digits than its factorization.

4143863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133704.

The product of its digits is 6912, while the sum is 29.

The square root of 4143863 is about 2035.6480540604. The cubic root of 4143863 is about 160.6208042932.

The spelling of 4143863 in words is "four million, one hundred forty-three thousand, eight hundred sixty-three".