2268609 has 16 divisors (see below), whose sum is σ = 3517440. Its totient is φ = 1273680.

The previous prime is 2268593. The next prime is 2268631. The reversal of 2268609 is 9068622.

It is not a de Polignac number, because 2268609 - 2⁴ = 2268593 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 6³ + 8⁵ + 6⁶ + 0 + 9⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2268609.

It is not an unprimeable number, because it can be changed into a prime (2268649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (219840).

2^2268609 is an apocalyptic number.

It is an amenable number.

2268609 is a deficient number, since it is larger than the sum of its proper divisors (1248831).

2268609 is a wasteful number, since it uses less digits than its factorization.

2268609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2268609 is about 1506.1902270298. The cubic root of 2268609 is about 131.3973329641.

The spelling of 2268609 in words is "two million, two hundred sixty-eight thousand, six hundred nine".