3116209 has 4 divisors (see below), whose sum is σ = 3280240. Its totient is φ = 2952180.

The previous prime is 3116207. The next prime is 3116227. The reversal of 3116209 is 9026113.

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 3116209 - 2¹ = 3116207 is a prime.

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 3116209.

It is not an unprimeable number, because it can be changed into a prime (3116207) 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, 81987 + ... + 82024.

It is an arithmetic number, because the mean of its divisors is an integer number (820060).

Almost surely, 2^3116209 is an apocalyptic number.

It is an amenable number.

3116209 is a deficient number, since it is larger than the sum of its proper divisors (164031).

3116209 is a wasteful number, since it uses less digits than its factorization.

3116209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164030.

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

The square root of 3116209 is about 1765.2787315322. The cubic root of 3116209 is about 146.0636646095.

The spelling of 3116209 in words is "three million, one hundred sixteen thousand, two hundred nine".