242666584 has 16 divisors (see below), whose sum is σ = 459253800. Its totient is φ = 120198912.

The previous prime is 242666561. The next prime is 242666603. The reversal of 242666584 is 485666242.

It is a self number, because there is not a number n which added to its sum of digits gives 242666584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140889 + ... + 142600.

Almost surely, 2^242666584 is an apocalyptic number.

It is an amenable number.

242666584 is a deficient number, since it is larger than the sum of its proper divisors (216587216).

242666584 is a wasteful number, since it uses less digits than its factorization.

242666584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283602 (or 283598 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 242666584 is about 15577.7592740420. The cubic root of 242666584 is about 623.7396116625.

The spelling of 242666584 in words is "two hundred forty-two million, six hundred sixty-six thousand, five hundred eighty-four".