318488468 has 12 divisors (see below), whose sum is σ = 559428660. Its totient is φ = 158651712.

The previous prime is 318488461. The next prime is 318488477. The reversal of 318488468 is 864884813.

318488468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8305924 + 310182544 = 2882^2 + 17612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318488461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146921 + ... + 149072.

It is an arithmetic number, because the mean of its divisors is an integer number (46619055).

Almost surely, 2^318488468 is an apocalyptic number.

It is an amenable number.

318488468 is a deficient number, since it is larger than the sum of its proper divisors (240940192).

318488468 is a wasteful number, since it uses less digits than its factorization.

318488468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296266 (or 296264 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The square root of 318488468 is about 17846.2452073258. The cubic root of 318488468 is about 682.9117271323.

The spelling of 318488468 in words is "three hundred eighteen million, four hundred eighty-eight thousand, four hundred sixty-eight".