2189384 has 16 divisors (see below), whose sum is σ = 4247100. Its totient is φ = 1056832.

The previous prime is 2189381. The next prime is 2189399. The reversal of 2189384 is 4839812.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2184484 + 4900 = 1478^2 + 70^2 .

It is not an unprimeable number, because it can be changed into a prime (2189381) 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 3 ways as a sum of consecutive naturals, for example, 4487 + ... + 4950.

2^2189384 is an apocalyptic number.

It is an amenable number.

2189384 is a deficient number, since it is larger than the sum of its proper divisors (2057716).

2189384 is a wasteful number, since it uses less digits than its factorization.

2189384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9468 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 2189384 is about 1479.6567169448. The cubic root of 2189384 is about 129.8496091244.

The spelling of 2189384 in words is "two million, one hundred eighty-nine thousand, three hundred eighty-four".