316693728 has 144 divisors (see below), whose sum is σ = 976628016. Its totient is φ = 96768000.

The previous prime is 316693711. The next prime is 316693733. The reversal of 316693728 is 827396613.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 939576 + ... + 939912.

It is an arithmetic number, because the mean of its divisors is an integer number (6782139).

Almost surely, 2^316693728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316693728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488314008).

316693728 is an abundant number, since it is smaller than the sum of its proper divisors (659934288).

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

316693728 is a wasteful number, since it uses less digits than its factorization.

316693728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 606 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 316693728 is about 17795.8907616337. The cubic root of 316693728 is about 681.6265330543.

The spelling of 316693728 in words is "three hundred sixteen million, six hundred ninety-three thousand, seven hundred twenty-eight".