316278648 has 64 divisors (see below), whose sum is σ = 1004064000. Its totient is φ = 90364896.

The previous prime is 316278643. The next prime is 316278679. The reversal of 316278648 is 846872613.

316278648 is a `hidden beast` number, since 316 + 278 + 64 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316278643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103078 + ... + 106101.

It is an arithmetic number, because the mean of its divisors is an integer number (15688500).

Almost surely, 2^316278648 is an apocalyptic number.

It is an amenable number.

316278648 is an abundant number, since it is smaller than the sum of its proper divisors (687785352).

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

316278648 is a wasteful number, since it uses less digits than its factorization.

316278648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209201 (or 209191 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 316278648 is about 17784.2246949368. The cubic root of 316278648 is about 681.3286077348.

It can be divided in two parts, 3162 and 78648, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 316278648 in words is "three hundred sixteen million, two hundred seventy-eight thousand, six hundred forty-eight".