4381894 has 24 divisors (see below), whose sum is σ = 7612920. Its totient is φ = 1884960.

The previous prime is 4381879. The next prime is 4381921. The reversal of 4381894 is 4981834.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4122 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (317205).

Almost surely, 2^4381894 is an apocalyptic number.

4381894 is a deficient number, since it is larger than the sum of its proper divisors (3231026).

4381894 is a wasteful number, since it uses less digits than its factorization.

4381894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 985 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 4381894 is about 2093.2973988423. The cubic root of 4381894 is about 163.6391779725.

It can be divided in two parts, 438 and 1894, that added together give a palindrome (2332).

The spelling of 4381894 in words is "four million, three hundred eighty-one thousand, eight hundred ninety-four".