242858427 has 16 divisors (see below), whose sum is σ = 372345600. Its totient is φ = 137922912.

The previous prime is 242858401. The next prime is 242858461. The reversal of 242858427 is 724858242.

It is not a de Polignac number, because 242858427 - 2⁷ = 242858299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242858827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32052 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (23271600).

Almost surely, 2^242858427 is an apocalyptic number.

242858427 is a deficient number, since it is larger than the sum of its proper divisors (129487173).

242858427 is a wasteful number, since it uses less digits than its factorization.

242858427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71122.

The product of its digits is 286720, while the sum is 42.

The square root of 242858427 is about 15583.9156504391. The cubic root of 242858427 is about 623.9039366626.

The spelling of 242858427 in words is "two hundred forty-two million, eight hundred fifty-eight thousand, four hundred twenty-seven".