2097856 has 14 divisors (see below), whose sum is σ = 4163060. Its totient is φ = 1048896.

The previous prime is 2097833. The next prime is 2097857. The reversal of 2097856 is 6587902.

It is not an unprimeable number, because it can be changed into a prime (2097857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16326 + ... + 16453.

2^2097856 is an apocalyptic number.

It is an amenable number.

2097856 is a deficient number, since it is larger than the sum of its proper divisors (2065204).

2097856 is an equidigital number, since it uses as much as digits as its factorization.

2097856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32791 (or 32781 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2097856 is about 1448.3977354304. The cubic root of 2097856 is about 128.0143213143.

The spelling of 2097856 in words is "two million, ninety-seven thousand, eight hundred fifty-six".