242386556 has 24 divisors (see below), whose sum is σ = 436403856. Its totient is φ = 117711360.

The previous prime is 242386537. The next prime is 242386583. The reversal of 242386556 is 655683242.

It is a happy number.

It is a super-2 number, since 2×242386556² = 117502485059082272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115436 + ... + 117516.

It is an arithmetic number, because the mean of its divisors is an integer number (18183494).

Almost surely, 2^242386556 is an apocalyptic number.

It is an amenable number.

242386556 is a deficient number, since it is larger than the sum of its proper divisors (194017300).

242386556 is a wasteful number, since it uses less digits than its factorization.

242386556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2907 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 242386556 is about 15568.7686089813. The cubic root of 242386556 is about 623.4995953933.

The spelling of 242386556 in words is "two hundred forty-two million, three hundred eighty-six thousand, five hundred fifty-six".