3109072 has 20 divisors (see below), whose sum is σ = 6165280. Its totient is φ = 1518048.

The previous prime is 3109069. The next prime is 3109081. The reversal of 3109072 is 2709013.

3109072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (308264).

Almost surely, 2^3109072 is an apocalyptic number.

3109072 is the 943-rd centered heptagonal number.

It is an amenable number.

3109072 is a deficient number, since it is larger than the sum of its proper divisors (3056208).

3109072 is a wasteful number, since it uses less digits than its factorization.

3109072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570 (or 4564 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 3109072 is about 1763.2560789630. The cubic root of 3109072 is about 145.9520703370.

The spelling of 3109072 in words is "three million, one hundred nine thousand, seventy-two".