2184487 has 4 divisors (see below), whose sum is σ = 2299480. Its totient is φ = 2069496.

The previous prime is 2184473. The next prime is 2184491. The reversal of 2184487 is 7844812.

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 2184487 - 2⁷ = 2184359 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 (2184407) 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, 57468 + ... + 57505.

It is an arithmetic number, because the mean of its divisors is an integer number (574870).

2^2184487 is an apocalyptic number.

2184487 is a deficient number, since it is larger than the sum of its proper divisors (114993).

2184487 is a wasteful number, since it uses less digits than its factorization.

2184487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114992.

The product of its digits is 14336, while the sum is 34.

The square root of 2184487 is about 1478.0010148846. The cubic root of 2184487 is about 129.7527252197.

The spelling of 2184487 in words is "two million, one hundred eighty-four thousand, four hundred eighty-seven".