2909349 has 12 divisors (see below), whose sum is σ = 4274400. Its totient is φ = 1906344.

The previous prime is 2909323. The next prime is 2909353. The reversal of 2909349 is 9439092.

It is not a de Polignac number, because 2909349 - 2⁹ = 2908837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2209 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (356200).

2^2909349 is an apocalyptic number.

It is an amenable number.

2909349 is a deficient number, since it is larger than the sum of its proper divisors (1365051).

2909349 is a wasteful number, since it uses less digits than its factorization.

2909349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544 (or 5541 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2909349 is about 1705.6813887711. The cubic root of 2909349 is about 142.7573926035.

The spelling of 2909349 in words is "two million, nine hundred nine thousand, three hundred forty-nine".