2289447 has 6 divisors (see below), whose sum is σ = 3306992. Its totient is φ = 1526292.

The previous prime is 2289437. The next prime is 2289461. The reversal of 2289447 is 7449822.

It is not a de Polignac number, because 2289447 - 2⁴ = 2289431 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 (2289437) 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 5 ways as a sum of consecutive naturals, for example, 127183 + ... + 127200.

2^2289447 is an apocalyptic number.

2289447 is a deficient number, since it is larger than the sum of its proper divisors (1017545).

2289447 is a wasteful number, since it uses less digits than its factorization.

2289447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254389 (or 254386 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2289447 is about 1513.0918676670. The cubic root of 2289447 is about 131.7984182095.

The spelling of 2289447 in words is "two million, two hundred eighty-nine thousand, four hundred forty-seven".