3109049 has 4 divisors (see below), whose sum is σ = 3113460. Its totient is φ = 3104640.

The previous prime is 3109031. The next prime is 3109069. The reversal of 3109049 is 9409013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9409013 = 2203 ⋅4271.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 2699449 = 640^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 3109049 - 2⁸ = 3108793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3109069) 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 3 ways as a sum of consecutive naturals, for example, 884 + ... + 2645.

It is an arithmetic number, because the mean of its divisors is an integer number (778365).

Almost surely, 2^3109049 is an apocalyptic number.

It is an amenable number.

3109049 is a deficient number, since it is larger than the sum of its proper divisors (4411).

3109049 is an equidigital number, since it uses as much as digits as its factorization.

3109049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3109049 is about 1763.2495569261. The cubic root of 3109049 is about 145.9517104327.

The spelling of 3109049 in words is "three million, one hundred nine thousand, forty-nine".