2159696 has 40 divisors (see below), whose sum is σ = 5219904. Its totient is φ = 840960.

The previous prime is 2159681. The next prime is 2159701. The reversal of 2159696 is 6969512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356 + ... + 2108.

2^2159696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2609952).

2159696 is an abundant number, since it is smaller than the sum of its proper divisors (3060208).

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

2159696 is a wasteful number, since it uses less digits than its factorization.

2159696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1773 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 2159696 is about 1469.5904191304. The cubic root of 2159696 is about 129.2600167827.

The spelling of 2159696 in words is "two million, one hundred fifty-nine thousand, six hundred ninety-six".