2189568 has 36 divisors (see below), whose sum is σ = 5829488. Its totient is φ = 729600.

The previous prime is 2189563. The next prime is 2189573. The reversal of 2189568 is 8659812.

It is an interprime number because it is at equal distance from previous prime (2189563) and next prime (2189573).

It is not an unprimeable number, because it can be changed into a prime (2189563) 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, 658 + ... + 2193.

2^2189568 is an apocalyptic number.

It is an amenable number.

2189568 is an abundant number, since it is smaller than the sum of its proper divisors (3639920).

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

2189568 is an equidigital number, since it uses as much as digits as its factorization.

2189568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2856 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 2189568 is about 1479.7188922224. The cubic root of 2189568 is about 129.8532466253.

The spelling of 2189568 in words is "two million, one hundred eighty-nine thousand, five hundred sixty-eight".