4381844 has 6 divisors (see below), whose sum is σ = 7668234. Its totient is φ = 2190920.

The previous prime is 4381823. The next prime is 4381847. The reversal of 4381844 is 4481834.

4381844 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2365444 + 2016400 = 1538^2 + 1420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4381844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547727 + ... + 547734.

It is an arithmetic number, because the mean of its divisors is an integer number (1278039).

Almost surely, 2^4381844 is an apocalyptic number.

It is an amenable number.

4381844 is a deficient number, since it is larger than the sum of its proper divisors (3286390).

4381844 is a wasteful number, since it uses less digits than its factorization.

4381844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095465 (or 1095463 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 4381844 is about 2093.2854559281. The cubic root of 4381844 is about 163.6385555636.

It can be divided in two parts, 4381 and 844, that added together give a palindrome (5225).

The spelling of 4381844 in words is "four million, three hundred eighty-one thousand, eight hundred forty-four".