2196109 has 4 divisors (see below), whose sum is σ = 2291616. Its totient is φ = 2100604.

The previous prime is 2196107. The next prime is 2196113. The reversal of 2196109 is 9016912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2196109 - 2¹ = 2196107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196107) 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, 47719 + ... + 47764.

It is an arithmetic number, because the mean of its divisors is an integer number (572904).

2^2196109 is an apocalyptic number.

It is an amenable number.

2196109 is a deficient number, since it is larger than the sum of its proper divisors (95507).

2196109 is an equidigital number, since it uses as much as digits as its factorization.

2196109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95506.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2196109 is about 1481.9274611127. The cubic root of 2196109 is about 129.9824236592.

It can be divided in two parts, 219 and 6109, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 2196109 in words is "two million, one hundred ninety-six thousand, one hundred nine".