242887237 has 8 divisors (see below), whose sum is σ = 246576960. Its totient is φ = 239205120.

The previous prime is 242887217. The next prime is 242887259. The reversal of 242887237 is 732788242.

It is a happy number.

242887237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242887237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242887193 and 242887202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242887217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113893 + ... + 116005.

It is an arithmetic number, because the mean of its divisors is an integer number (30822120).

Almost surely, 2^242887237 is an apocalyptic number.

It is an amenable number.

242887237 is a deficient number, since it is larger than the sum of its proper divisors (3689723).

242887237 is a wasteful number, since it uses less digits than its factorization.

242887237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803.

The product of its digits is 301056, while the sum is 43.

The square root of 242887237 is about 15584.8399735127. The cubic root of 242887237 is about 623.9286066756.

The spelling of 242887237 in words is "two hundred forty-two million, eight hundred eighty-seven thousand, two hundred thirty-seven".