242860842 has 40 divisors (see below), whose sum is σ = 621932256. Its totient is φ = 69388488.

The previous prime is 242860817. The next prime is 242860847. The reversal of 242860842 is 248068242.

It is a happy number.

242860842 is a `hidden beast` number, since 2 + 4 + 2 + 8 + 608 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 242860797 and 242860806.

It is not an unprimeable number, because it can be changed into a prime (242860847) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 105948 + ... + 108215.

Almost surely, 2^242860842 is an apocalyptic number.

242860842 is an abundant number, since it is smaller than the sum of its proper divisors (379071414).

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

242860842 is a wasteful number, since it uses less digits than its factorization.

242860842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214184 (or 214175 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 242860842 is about 15583.9931339821. The cubic root of 242860842 is about 623.9060047028.

The spelling of 242860842 in words is "two hundred forty-two million, eight hundred sixty thousand, eight hundred forty-two".