238286517316 has 27 divisors (see below), whose sum is σ = 427492049943. Its totient is φ = 116217799680.

The previous prime is 238286517281. The next prime is 238286517317. The reversal of 238286517316 is 613715682832.

It is a happy number.

The square root of 238286517316 is 488146.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 215695224900 + 22591292416 = 464430^2 + 150304^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238286517317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40024996 + ... + 40030948.

Almost surely, 2^238286517316 is an apocalyptic number.

238286517316 is the 488146-th square number.

It is an amenable number.

238286517316 is a deficient number, since it is larger than the sum of its proper divisors (189205532627).

238286517316 is an frugal number, since it uses more digits than its factorization.

238286517316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11992 (or 5996 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The spelling of 238286517316 in words is "two hundred thirty-eight billion, two hundred eighty-six million, five hundred seventeen thousand, three hundred sixteen".