2189648 has 20 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 1083744.

The previous prime is 2189647. The next prime is 2189699. The reversal of 2189648 is 8469812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (214272).

2^2189648 is an apocalyptic number.

It is an amenable number.

2189648 is a deficient number, since it is larger than the sum of its proper divisors (2095792).

2189648 is a wasteful number, since it uses less digits than its factorization.

2189648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1388 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 2189648 is about 1479.7459241370. The cubic root of 2189648 is about 129.8548280839.

The spelling of 2189648 in words is "two million, one hundred eighty-nine thousand, six hundred forty-eight".