2196323 has 4 divisors (see below), whose sum is σ = 2199288. Its totient is φ = 2193360.

The previous prime is 2196307. The next prime is 2196331. The reversal of 2196323 is 3236912.

It is a Cunningham number, because it is equal to 1482²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2196323 - 2⁴ = 2196307 is a prime.

It is a super-3 number, since 3×2196323³ = 31784097433371450801, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2196292 and 2196301.

It is not an unprimeable number, because it can be changed into a prime (2396323) 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, 740 + ... + 2222.

It is an arithmetic number, because the mean of its divisors is an integer number (549822).

2^2196323 is an apocalyptic number.

2196323 is a deficient number, since it is larger than the sum of its proper divisors (2965).

2196323 is a wasteful number, since it uses less digits than its factorization.

2196323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its digits is 1944, while the sum is 26.

The square root of 2196323 is about 1481.9996626180. Note that the first 3 decimals coincide. The cubic root of 2196323 is about 129.9866455710.

The spelling of 2196323 in words is "two million, one hundred ninety-six thousand, three hundred twenty-three".