238142706 has 8 divisors (see below), whose sum is σ = 476285424. Its totient is φ = 79380900.

The previous prime is 238142701. The next prime is 238142743. The reversal of 238142706 is 607241832.

238142706 is digitally balanced in base 2 and base 3, because in such bases 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.

238142706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (238142701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19845220 + ... + 19845231.

It is an arithmetic number, because the mean of its divisors is an integer number (59535678).

Almost surely, 2^238142706 is an apocalyptic number.

238142706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

238142706 is a wasteful number, since it uses less digits than its factorization.

238142706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39690456.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 238142706 is about 15431.8730554654. The cubic root of 238142706 is about 619.8392802279.

The spelling of 238142706 in words is "two hundred thirty-eight million, one hundred forty-two thousand, seven hundred six".