3109716 has 18 divisors (see below), whose sum is σ = 7860762. Its totient is φ = 1036560.

The previous prime is 3109709. The next prime is 3109747. The reversal of 3109716 is 6179013.

3109716 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 562500 = 1596^2 + 750^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 3109716.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 43155 + ... + 43226.

It is an arithmetic number, because the mean of its divisors is an integer number (436709).

Almost surely, 2^3109716 is an apocalyptic number.

3109716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3109716 is an abundant number, since it is smaller than the sum of its proper divisors (4751046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3109716 is a wasteful number, since it uses less digits than its factorization.

3109716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86391 (or 86386 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 3109716 is about 1763.4386862037. The cubic root of 3109716 is about 145.9621469391.

It can be divided in two parts, 31097 and 16, that added together give a palindrome (31113).

The spelling of 3109716 in words is "three million, one hundred nine thousand, seven hundred sixteen".