11984589 has 12 divisors (see below), whose sum is σ = 17395872. Its totient is φ = 7950600.

The previous prime is 11984561. The next prime is 11984597. The reversal of 11984589 is 98548911.

11984589 is a `hidden beast` number, since 1 + 198 + 458 + 9 = 666.

It is not a de Polignac number, because 11984589 - 2⁷ = 11984461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11984549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (1449656).

Almost surely, 2^11984589 is an apocalyptic number.

It is an amenable number.

11984589 is a deficient number, since it is larger than the sum of its proper divisors (5411283).

11984589 is a wasteful number, since it uses less digits than its factorization.

11984589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528 (or 6525 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 11984589 is about 3461.8765142622. The cubic root of 11984589 is about 228.8447999080.

The spelling of 11984589 in words is "eleven million, nine hundred eighty-four thousand, five hundred eighty-nine".