242391798 has 48 divisors (see below), whose sum is σ = 592084080. Its totient is φ = 73450080.

The previous prime is 242391769. The next prime is 242391803. The reversal of 242391798 is 897193242.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 12015 + ... + 25082.

It is an arithmetic number, because the mean of its divisors is an integer number (12335085).

Almost surely, 2^242391798 is an apocalyptic number.

242391798 is an abundant number, since it is smaller than the sum of its proper divisors (349692282).

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

242391798 is a wasteful number, since it uses less digits than its factorization.

242391798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37130 (or 37113 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 242391798 is about 15568.9369579300. The cubic root of 242391798 is about 623.5040900888.

The spelling of 242391798 in words is "two hundred forty-two million, three hundred ninety-one thousand, seven hundred ninety-eight".