2909259 has 6 divisors (see below), whose sum is σ = 4202276. Its totient is φ = 1939500.

The previous prime is 2909243. The next prime is 2909267. The reversal of 2909259 is 9529092.

It is not a de Polignac number, because 2909259 - 2⁴ = 2909243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2909219) 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, 161617 + ... + 161634.

2^2909259 is an apocalyptic number.

2909259 is a deficient number, since it is larger than the sum of its proper divisors (1293017).

2909259 is a wasteful number, since it uses less digits than its factorization.

2909259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323257 (or 323254 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 2909259 is about 1705.6550061487. The cubic root of 2909259 is about 142.7559205333.

The spelling of 2909259 in words is "two million, nine hundred nine thousand, two hundred fifty-nine".