2196004385 has 8 divisors (see below), whose sum is σ = 2684926440. Its totient is φ = 1723656064.

The previous prime is 2196004379. The next prime is 2196004429. The reversal of 2196004385 is 5834006912.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 505890064 + 1690114321 = 22492^2 + 41111^2 .

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 2196004385 - 2²⁰ = 2194955809 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4143140 + ... + 4143669.

It is an arithmetic number, because the mean of its divisors is an integer number (335615805).

Almost surely, 2^2196004385 is an apocalyptic number.

It is an amenable number.

2196004385 is a deficient number, since it is larger than the sum of its proper divisors (488922055).

2196004385 is an equidigital number, since it uses as much as digits as its factorization.

2196004385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286867.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2196004385 is about 46861.5448422264. The cubic root of 2196004385 is about 1299.8035965617.

The spelling of 2196004385 in words is "two billion, one hundred ninety-six million, four thousand, three hundred eighty-five".