4381863 has 8 divisors (see below), whose sum is σ = 5864688. Its totient is φ = 2910144.

The previous prime is 4381859. The next prime is 4381877. The reversal of 4381863 is 3681834.

4381863 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4381863 - 2² = 4381859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (733086).

Almost surely, 2^4381863 is an apocalyptic number.

4381863 is a deficient number, since it is larger than the sum of its proper divisors (1482825).

4381863 is a wasteful number, since it uses less digits than its factorization.

4381863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553.

The product of its digits is 13824, while the sum is 33.

The square root of 4381863 is about 2093.2899942435. The cubic root of 4381863 is about 163.6387920796.

The spelling of 4381863 in words is "four million, three hundred eighty-one thousand, eight hundred sixty-three".