242590198 has 8 divisors (see below), whose sum is σ = 368491680. Its totient is φ = 119759640.

The previous prime is 242590151. The next prime is 242590199. The reversal of 242590198 is 891095242.

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

It is a self number, because there is not a number n which added to its sum of digits gives 242590198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242590199) by changing a digit.

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, 767533 + ... + 767848.

It is an arithmetic number, because the mean of its divisors is an integer number (46061460).

Almost surely, 2^242590198 is an apocalyptic number.

242590198 is a deficient number, since it is larger than the sum of its proper divisors (125901482).

242590198 is a wasteful number, since it uses less digits than its factorization.

242590198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535462.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 242590198 is about 15575.3073163903. The cubic root of 242590198 is about 623.6741583792.

The spelling of 242590198 in words is "two hundred forty-two million, five hundred ninety thousand, one hundred ninety-eight".