242840928 has 48 divisors (see below), whose sum is σ = 695411136. Its totient is φ = 73587840.

The previous prime is 242840911. The next prime is 242840933. The reversal of 242840928 is 829048242.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113926 + ... + 116037.

It is an arithmetic number, because the mean of its divisors is an integer number (14487732).

Almost surely, 2^242840928 is an apocalyptic number.

It is an amenable number.

242840928 is an abundant number, since it is smaller than the sum of its proper divisors (452570208).

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

242840928 is a wasteful number, since it uses less digits than its factorization.

242840928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229987 (or 229979 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 242840928 is about 15583.3541960645. The cubic root of 242840928 is about 623.8889513103. Note that the first 3 decimals are identical.

The spelling of 242840928 in words is "two hundred forty-two million, eight hundred forty thousand, nine hundred twenty-eight".