2158696 has 16 divisors (see below), whose sum is σ = 4076640. Its totient is φ = 1071600.

The previous prime is 2158693. The next prime is 2158697. The reversal of 2158696 is 6968512.

2158696 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2158693) 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, 315 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (254790).

2^2158696 is an apocalyptic number.

It is an amenable number.

2158696 is a deficient number, since it is larger than the sum of its proper divisors (1917944).

2158696 is a wasteful number, since it uses less digits than its factorization.

2158696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1940 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 2158696 is about 1469.2501488855. The cubic root of 2158696 is about 129.2400633614.

It can be divided in two parts, 215 and 8696, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 2158696 in words is "two million, one hundred fifty-eight thousand, six hundred ninety-six".