316745393 has 16 divisors (see below), whose sum is σ = 326954880. Its totient is φ = 306768000.

The previous prime is 316745369. The next prime is 316745399. The reversal of 316745393 is 393547613.

It is a cyclic number.

It is not a de Polignac number, because 316745393 - 2¹⁰ = 316744369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316745393.

It is not an unprimeable number, because it can be changed into a prime (316745399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501058 + ... + 1501268.

It is an arithmetic number, because the mean of its divisors is an integer number (20434680).

Almost surely, 2^316745393 is an apocalyptic number.

It is an amenable number.

316745393 is a deficient number, since it is larger than the sum of its proper divisors (10209487).

316745393 is a wasteful number, since it uses less digits than its factorization.

316745393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 204120, while the sum is 41.

The square root of 316745393 is about 17797.3423015910. The cubic root of 316745393 is about 681.6635975921.

The spelling of 316745393 in words is "three hundred sixteen million, seven hundred forty-five thousand, three hundred ninety-three".