238972716 has 18 divisors (see below), whose sum is σ = 604070012. Its totient is φ = 79657560.

The previous prime is 238972703. The next prime is 238972717. The reversal of 238972716 is 617279832.

238972716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (238972717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3319030 + ... + 3319101.

Almost surely, 2^238972716 is an apocalyptic number.

It is an amenable number.

238972716 is an abundant number, since it is smaller than the sum of its proper divisors (365097296).

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

238972716 is a wasteful number, since it uses less digits than its factorization.

238972716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638141 (or 6638136 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 238972716 is about 15458.7423809313. The cubic root of 238972716 is about 620.5585635781.

The spelling of 238972716 in words is "two hundred thirty-eight million, nine hundred seventy-two thousand, seven hundred sixteen".