284988664 has 16 divisors (see below), whose sum is σ = 534666600. Its totient is φ = 142410912.

The previous prime is 284988661. The next prime is 284988709. The reversal of 284988664 is 466889482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284988661) 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, 5527 + ... + 24505.

Almost surely, 2^284988664 is an apocalyptic number.

It is an amenable number.

284988664 is a deficient number, since it is larger than the sum of its proper divisors (249677936).

284988664 is a wasteful number, since it uses less digits than its factorization.

284988664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862 (or 20858 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 55.

The square root of 284988664 is about 16881.6072694516. The cubic root of 284988664 is about 658.0757112094.

The spelling of 284988664 in words is "two hundred eighty-four million, nine hundred eighty-eight thousand, six hundred sixty-four".