242728284 has 12 divisors (see below), whose sum is σ = 566366024. Its totient is φ = 80909424.

The previous prime is 242728279. The next prime is 242728303. The reversal of 242728284 is 482827242.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10113667 + ... + 10113690.

Almost surely, 2^242728284 is an apocalyptic number.

It is an amenable number.

242728284 is an abundant number, since it is smaller than the sum of its proper divisors (323637740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242728284 is a wasteful number, since it uses less digits than its factorization.

242728284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227364 (or 20227362 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 242728284 is about 15579.7395356919. The cubic root of 242728284 is about 623.7924708465.

The spelling of 242728284 in words is "two hundred forty-two million, seven hundred twenty-eight thousand, two hundred eighty-four".