2909241 has 6 divisors (see below), whose sum is σ = 4202250. Its totient is φ = 1939488.

The previous prime is 2909239. The next prime is 2909243. The reversal of 2909241 is 1429092.

It is an interprime number because it is at equal distance from previous prime (2909239) and next prime (2909243).

It can be written as a sum of positive squares in only one way, i.e., 2903616 + 5625 = 1704^2 + 75^2 .

It is not a de Polignac number, because 2909241 - 2¹ = 2909239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2909243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161616 + ... + 161633.

It is an arithmetic number, because the mean of its divisors is an integer number (700375).

2^2909241 is an apocalyptic number.

It is an amenable number.

2909241 is a deficient number, since it is larger than the sum of its proper divisors (1293009).

2909241 is a wasteful number, since it uses less digits than its factorization.

2909241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323255 (or 323252 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2909241 is about 1705.6497295752. The cubic root of 2909241 is about 142.7556261156.

The spelling of 2909241 in words is "two million, nine hundred nine thousand, two hundred forty-one".