3109916 has 6 divisors (see below), whose sum is σ = 5442360. Its totient is φ = 1554956.

The previous prime is 3109913. The next prime is 3109921. The reversal of 3109916 is 6199013.

It is a super-3 number, since 3×3109916³ = 90233381089895661888, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388736 + ... + 388743.

It is an arithmetic number, because the mean of its divisors is an integer number (907060).

Almost surely, 2^3109916 is an apocalyptic number.

It is an amenable number.

3109916 is a deficient number, since it is larger than the sum of its proper divisors (2332444).

3109916 is a wasteful number, since it uses less digits than its factorization.

3109916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777483 (or 777481 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 3109916 is about 1763.4953926790. The cubic root of 3109916 is about 145.9652760356.

It can be divided in two parts, 310 and 9916, that multiplied together give a triangular number (3073960 = T₂₄₇₉).

The spelling of 3109916 in words is "three million, one hundred nine thousand, nine hundred sixteen".