2196389 has 8 divisors (see below), whose sum is σ = 2388960. Its totient is φ = 2007216.

The previous prime is 2196377. The next prime is 2196401. The reversal of 2196389 is 9836912.

It is an interprime number because it is at equal distance from previous prime (2196377) and next prime (2196401).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2196389 - 2¹² = 2192293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (298620).

2^2196389 is an apocalyptic number.

It is an amenable number.

2196389 is a deficient number, since it is larger than the sum of its proper divisors (192571).

2196389 is a wasteful number, since it uses less digits than its factorization.

2196389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699.

The product of its digits is 23328, while the sum is 38.

The square root of 2196389 is about 1482.0219296623. The cubic root of 2196389 is about 129.9879476006.

The spelling of 2196389 in words is "two million, one hundred ninety-six thousand, three hundred eighty-nine".