242388658 has 8 divisors (see below), whose sum is σ = 364307328. Its totient is φ = 120952884.

The previous prime is 242388613. The next prime is 242388667. The reversal of 242388658 is 856883242.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119466 + ... + 121477.

It is an arithmetic number, because the mean of its divisors is an integer number (45538416).

Almost surely, 2^242388658 is an apocalyptic number.

242388658 is a deficient number, since it is larger than the sum of its proper divisors (121918670).

242388658 is a wasteful number, since it uses less digits than its factorization.

242388658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241448.

The product of its digits is 737280, while the sum is 46.

The square root of 242388658 is about 15568.8361157795. The cubic root of 242388658 is about 623.5013977380.

It can be divided in two parts, 24238 and 8658, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 242388658 in words is "two hundred forty-two million, three hundred eighty-eight thousand, six hundred fifty-eight".