242887238 has 48 divisors (see below), whose sum is σ = 423254160. Its totient is φ = 103521600.

The previous prime is 242887217. The next prime is 242887259. The reversal of 242887238 is 832788242.

242887238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242887217) and next prime (242887259).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3074483 + ... + 3074561.

It is an arithmetic number, because the mean of its divisors is an integer number (8817795).

Almost surely, 2^242887238 is an apocalyptic number.

242887238 is a deficient number, since it is larger than the sum of its proper divisors (180366922).

242887238 is a wasteful number, since it uses less digits than its factorization.

242887238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 182 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 242887238 is about 15584.8400055952. The cubic root of 242887238 is about 623.9286075319.

The spelling of 242887238 in words is "two hundred forty-two million, eight hundred eighty-seven thousand, two hundred thirty-eight".