2196560 has 20 divisors (see below), whose sum is σ = 5107188. Its totient is φ = 878592.

The previous prime is 2196559. The next prime is 2196563. The reversal of 2196560 is 656912.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 1817104 = 616^2 + 1348^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196563) 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, 13649 + ... + 13808.

2^2196560 is an apocalyptic number.

2196560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196560 is an abundant number, since it is smaller than the sum of its proper divisors (2910628).

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

2196560 is a wasteful number, since it uses less digits than its factorization.

2196560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27470 (or 27464 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2196560 is about 1482.0796199935. The cubic root of 2196560 is about 129.9913209196.

The spelling of 2196560 in words is "two million, one hundred ninety-six thousand, five hundred sixty".