2166896 has 10 divisors (see below), whose sum is σ = 4198392. Its totient is φ = 1083440.

The previous prime is 2166877. The next prime is 2166917. The reversal of 2166896 is 6986612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67700 + ... + 67731.

2^2166896 is an apocalyptic number.

It is an amenable number.

2166896 is a deficient number, since it is larger than the sum of its proper divisors (2031496).

2166896 is a wasteful number, since it uses less digits than its factorization.

2166896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135439 (or 135433 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 2166896 is about 1472.0380429867. The cubic root of 2166896 is about 129.4034999097.

The spelling of 2166896 in words is "two million, one hundred sixty-six thousand, eight hundred ninety-six".