2289243 has 8 divisors (see below), whose sum is σ = 3329856. Its totient is φ = 1387400.

The previous prime is 2289239. The next prime is 2289247. The reversal of 2289243 is 3429822.

It is an interprime number because it is at equal distance from previous prime (2289239) and next prime (2289247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2289243 - 2² = 2289239 is a prime.

2289243 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2289243.

It is not an unprimeable number, because it can be changed into a prime (2289247) 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 7 ways as a sum of consecutive naturals, for example, 34653 + ... + 34718.

It is an arithmetic number, because the mean of its divisors is an integer number (416232).

2^2289243 is an apocalyptic number.

2289243 is a deficient number, since it is larger than the sum of its proper divisors (1040613).

2289243 is a wasteful number, since it uses less digits than its factorization.

2289243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69385.

The product of its digits is 6912, while the sum is 30.

The square root of 2289243 is about 1513.0244545281. The cubic root of 2289243 is about 131.7945034830.

The spelling of 2289243 in words is "two million, two hundred eighty-nine thousand, two hundred forty-three".