2289047 has 4 divisors (see below), whose sum is σ = 2292576. Its totient is φ = 2285520.

The previous prime is 2289037. The next prime is 2289059. The reversal of 2289047 is 7409822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2289047 - 2⁴ = 2289031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289037) 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 3 ways as a sum of consecutive naturals, for example, 479 + ... + 2192.

It is an arithmetic number, because the mean of its divisors is an integer number (573144).

2^2289047 is an apocalyptic number.

2289047 is a deficient number, since it is larger than the sum of its proper divisors (3529).

2289047 is an equidigital number, since it uses as much as digits as its factorization.

2289047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2289047 is about 1512.9596822123. The cubic root of 2289047 is about 131.7907420562.

The spelling of 2289047 in words is "two million, two hundred eighty-nine thousand, forty-seven".