2289487 has 4 divisors (see below), whose sum is σ = 2307096. Its totient is φ = 2271880.

The previous prime is 2289473. The next prime is 2289503. The reversal of 2289487 is 7849822.

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 2289487 - 2⁷ = 2289359 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8608 + ... + 8869.

It is an arithmetic number, because the mean of its divisors is an integer number (576774).

2^2289487 is an apocalyptic number.

2289487 is a deficient number, since it is larger than the sum of its proper divisors (17609).

2289487 is a wasteful number, since it uses less digits than its factorization.

2289487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17608.

The product of its digits is 64512, while the sum is 40.

The square root of 2289487 is about 1513.1050855773. The cubic root of 2289487 is about 131.7991857756.

The spelling of 2289487 in words is "two million, two hundred eighty-nine thousand, four hundred eighty-seven".