2167696 has 20 divisors (see below), whose sum is σ = 4270684. Its totient is φ = 1065600.

The previous prime is 2167661. The next prime is 2167703. The reversal of 2167696 is 6967612.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 1527696 = 800^2 + 1236^2 .

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135 + ... + 2086.

2^2167696 is an apocalyptic number.

It is an amenable number.

2167696 is a deficient number, since it is larger than the sum of its proper divisors (2102988).

2167696 is a wasteful number, since it uses less digits than its factorization.

2167696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2284 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 2167696 is about 1472.3097500187. The cubic root of 2167696 is about 129.4194228494.

Adding to 2167696 its product of digits (27216), we get a palindrome (2194912).

The spelling of 2167696 in words is "two million, one hundred sixty-seven thousand, six hundred ninety-six".