3116605 has 4 divisors (see below), whose sum is σ = 3739932. Its totient is φ = 2493280.

The previous prime is 3116591. The next prime is 3116609. The reversal of 3116605 is 5066113.

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 521284 + 2595321 = 722^2 + 1611^2 .

It is not a de Polignac number, because 3116605 - 2⁵ = 3116573 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116609) 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, 311656 + ... + 311665.

It is an arithmetic number, because the mean of its divisors is an integer number (934983).

Almost surely, 2^3116605 is an apocalyptic number.

It is an amenable number.

3116605 is a deficient number, since it is larger than the sum of its proper divisors (623327).

3116605 is an equidigital number, since it uses as much as digits as its factorization.

3116605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623326.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 3116605 is about 1765.3908915591. The cubic root of 3116605 is about 146.0698514818.

It can be divided in two parts, 3116 and 605, that added together give a square (3721 = 61²).

The spelling of 3116605 in words is "three million, one hundred sixteen thousand, six hundred five".