242315238 has 32 divisors (see below), whose sum is σ = 532869120. Its totient is φ = 72848160.

The previous prime is 242315231. The next prime is 242315239. The reversal of 242315238 is 832513242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242315231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6073 + ... + 22836.

It is an arithmetic number, because the mean of its divisors is an integer number (16652160).

Almost surely, 2^242315238 is an apocalyptic number.

242315238 is an abundant number, since it is smaller than the sum of its proper divisors (290553882).

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

242315238 is a wasteful number, since it uses less digits than its factorization.

242315238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29052.

The product of its digits is 11520, while the sum is 30.

The square root of 242315238 is about 15566.4780216978. The cubic root of 242315238 is about 623.4384381152.

The spelling of 242315238 in words is "two hundred forty-two million, three hundred fifteen thousand, two hundred thirty-eight".