2089784 has 8 divisors (see below), whose sum is σ = 3918360. Its totient is φ = 1044888.

The previous prime is 2089781. The next prime is 2089807. The reversal of 2089784 is 4879802.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089781) 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 as a sum of consecutive naturals, namely, 130604 + ... + 130619.

It is an arithmetic number, because the mean of its divisors is an integer number (489795).

2^2089784 is an apocalyptic number.

It is an amenable number.

2089784 is a deficient number, since it is larger than the sum of its proper divisors (1828576).

2089784 is a wasteful number, since it uses less digits than its factorization.

2089784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261229 (or 261225 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2089784 is about 1445.6085223877. The cubic root of 2089784 is about 127.8499217604.

The spelling of 2089784 in words is "two million, eighty-nine thousand, seven hundred eighty-four".