2381844 has 24 divisors (see below), whose sum is σ = 5635840. Its totient is φ = 782784.

The previous prime is 2381839. The next prime is 2381849. The reversal of 2381844 is 4481832.

2381844 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2381839) and next prime (2381849).

It is a d-powerful number, because it can be written as 2¹⁹ + 3¹³ + 8³ + 1 + 8³ + 4³ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484 + ... + 2235.

2^2381844 is an apocalyptic number.

It is an amenable number.

2381844 is an abundant number, since it is smaller than the sum of its proper divisors (3253996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381844 is a wasteful number, since it uses less digits than its factorization.

2381844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2797 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 2381844 is about 1543.3223901700. The cubic root of 2381844 is about 133.5481177106.

The spelling of 2381844 in words is "two million, three hundred eighty-one thousand, eight hundred forty-four".