2162656 has 24 divisors (see below), whose sum is σ = 4483080. Its totient is φ = 1024128.

The previous prime is 2162651. The next prime is 2162659. The reversal of 2162656 is 6562612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162651) 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, 1171 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (186795).

2^2162656 is an apocalyptic number.

It is an amenable number.

2162656 is an abundant number, since it is smaller than the sum of its proper divisors (2320424).

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

2162656 is a wasteful number, since it uses less digits than its factorization.

2162656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3578 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2162656 is about 1470.5971576200. The cubic root of 2162656 is about 129.3190428348.

The spelling of 2162656 in words is "two million, one hundred sixty-two thousand, six hundred fifty-six".