316855238 has 16 divisors (see below), whose sum is σ = 543444000. Its totient is φ = 135729216.

The previous prime is 316855237. The next prime is 316855243. The reversal of 316855238 is 832558613.

It is a junction number, because it is equal to n+sod(n) for n = 316855195 and 316855204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316855237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34370 + ... + 42602.

It is an arithmetic number, because the mean of its divisors is an integer number (33965250).

Almost surely, 2^316855238 is an apocalyptic number.

316855238 is a deficient number, since it is larger than the sum of its proper divisors (226588762).

316855238 is a wasteful number, since it uses less digits than its factorization.

316855238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991.

The product of its digits is 172800, while the sum is 41.

The square root of 316855238 is about 17800.4280285616. The cubic root of 316855238 is about 681.7423871452.

The spelling of 316855238 in words is "three hundred sixteen million, eight hundred fifty-five thousand, two hundred thirty-eight".