2189696 has 16 divisors (see below), whose sum is σ = 4362540. Its totient is φ = 1094784.

The previous prime is 2189647. The next prime is 2189699. The reversal of 2189696 is 6969812.

It is a tau number, because it is divible by the number of its divisors (16).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189699) by changing a digit.

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 as a sum of consecutive naturals, namely, 8426 + ... + 8681.

2^2189696 is an apocalyptic number.

It is an amenable number.

2189696 is a deficient number, since it is larger than the sum of its proper divisors (2172844).

2189696 is an equidigital number, since it uses as much as digits as its factorization.

2189696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17121 (or 17109 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 2189696 is about 1479.7621430487. The cubic root of 2189696 is about 129.8557769406.

The spelling of 2189696 in words is "two million, one hundred eighty-nine thousand, six hundred ninety-six".