3116205 has 32 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 1618560.

The previous prime is 3116189. The next prime is 3116207. The reversal of 3116205 is 5026113.

3116205 = 153² + 154² + ... + 234².

It is not a de Polignac number, because 3116205 - 2⁴ = 3116189 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116207) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5254 + ... + 5816.

It is an arithmetic number, because the mean of its divisors is an integer number (177660).

Almost surely, 2^3116205 is an apocalyptic number.

It is an amenable number.

3116205 is a deficient number, since it is larger than the sum of its proper divisors (2568915).

3116205 is a wasteful number, since it uses less digits than its factorization.

3116205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3116205 is about 1765.2775985663. The cubic root of 3116205 is about 146.0636021132.

It can be divided in two parts, 3116 and 205, that added together give a triangular number (3321 = T₈₁).

The spelling of 3116205 in words is "three million, one hundred sixteen thousand, two hundred five".