242709798 has 8 divisors (see below), whose sum is σ = 485419608. Its totient is φ = 80903264.

The previous prime is 242709769. The next prime is 242709821. The reversal of 242709798 is 897907242.

It is a sphenic number, since it is the product of 3 distinct primes.

242709798 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20225811 + ... + 20225822.

It is an arithmetic number, because the mean of its divisors is an integer number (60677451).

Almost surely, 2^242709798 is an apocalyptic number.

242709798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242709798 is a wasteful number, since it uses less digits than its factorization.

242709798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40451638.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 242709798 is about 15579.1462538870. The cubic root of 242709798 is about 623.7766345924.

The spelling of 242709798 in words is "two hundred forty-two million, seven hundred nine thousand, seven hundred ninety-eight".