3216109 has 4 divisors (see below), whose sum is σ = 3463516. Its totient is φ = 2968704.

The previous prime is 3216107. The next prime is 3216119. The reversal of 3216109 is 9016123.

3216109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1768900 + 1447209 = 1330^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216109 - 2¹ = 3216107 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3216109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123684 + ... + 123709.

It is an arithmetic number, because the mean of its divisors is an integer number (865879).

Almost surely, 2^3216109 is an apocalyptic number.

It is an amenable number.

3216109 is a deficient number, since it is larger than the sum of its proper divisors (247407).

3216109 is a wasteful number, since it uses less digits than its factorization.

3216109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247406.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 3216109 is about 1793.3513320039. The cubic root of 3216109 is about 147.6081214333.

The spelling of 3216109 in words is "three million, two hundred sixteen thousand, one hundred nine".