242115398 has 8 divisors (see below), whose sum is σ = 415054992. Its totient is φ = 103763736.

The previous prime is 242115397. The next prime is 242115437. The reversal of 242115398 is 893511242.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242115397) 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, 8646965 + ... + 8646992.

It is an arithmetic number, because the mean of its divisors is an integer number (51881874).

Almost surely, 2^242115398 is an apocalyptic number.

242115398 is a deficient number, since it is larger than the sum of its proper divisors (172939594).

242115398 is a wasteful number, since it uses less digits than its factorization.

242115398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17293966.

The product of its digits is 17280, while the sum is 35.

The square root of 242115398 is about 15560.0577762423. The cubic root of 242115398 is about 623.2670055028.

The spelling of 242115398 in words is "two hundred forty-two million, one hundred fifteen thousand, three hundred ninety-eight".