4181863 has 4 divisors (see below), whose sum is σ = 4779280. Its totient is φ = 3584448.

The previous prime is 4181857. The next prime is 4181867. The reversal of 4181863 is 3681814.

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

It is not a de Polignac number, because 4181863 - 2⁹ = 4181351 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 (4181867) 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, 298698 + ... + 298711.

It is an arithmetic number, because the mean of its divisors is an integer number (1194820).

Almost surely, 2^4181863 is an apocalyptic number.

4181863 is a deficient number, since it is larger than the sum of its proper divisors (597417).

4181863 is an equidigital number, since it uses as much as digits as its factorization.

4181863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597416.

The product of its digits is 4608, while the sum is 31.

The square root of 4181863 is about 2044.9603908145. The cubic root of 4181863 is about 161.1102854056.

The spelling of 4181863 in words is "four million, one hundred eighty-one thousand, eight hundred sixty-three".