2909941 has 6 divisors (see below), whose sum is σ = 3091490. Its totient is φ = 2738496.

The previous prime is 2909923. The next prime is 2909957. The reversal of 2909941 is 1499092.

It can be written as a sum of positive squares in 3 ways, for example, as 819025 + 2090916 = 905^2 + 1446^2 .

It is not a de Polignac number, because 2909941 - 2⁵ = 2909909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2909897 and 2909906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2909971) 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 5 ways as a sum of consecutive naturals, for example, 4746 + ... + 5323.

2^2909941 is an apocalyptic number.

It is an amenable number.

2909941 is a deficient number, since it is larger than the sum of its proper divisors (181549).

2909941 is a wasteful number, since it uses less digits than its factorization.

2909941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103 (or 10086 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2909941 is about 1705.8549176293. The cubic root of 2909941 is about 142.7670747976.

The spelling of 2909941 in words is "two million, nine hundred nine thousand, nine hundred forty-one".