2240289 has 12 divisors (see below), whose sum is σ = 3291600. Its totient is φ = 1467864.

The previous prime is 2240267. The next prime is 2240291. The reversal of 2240289 is 9820422.

It is not a de Polignac number, because 2240289 - 2²¹ = 143137 is a prime.

2240289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2240299) 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, 1579 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (274300).

2^2240289 is an apocalyptic number.

It is an amenable number.

2240289 is a deficient number, since it is larger than the sum of its proper divisors (1051311).

2240289 is a wasteful number, since it uses less digits than its factorization.

2240289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4281 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2240289 is about 1496.7594997193. The cubic root of 2240289 is about 130.8482791784.

The spelling of 2240289 in words is "two million, two hundred forty thousand, two hundred eighty-nine".