316438285 has 8 divisors (see below), whose sum is σ = 392820120. Its totient is φ = 244421184.

The previous prime is 316438273. The next prime is 316438313. The reversal of 316438285 is 582834613.

It can be written as a sum of positive squares in 4 ways, for example, as 1695204 + 314743081 = 1302^2 + 17741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316438285 - 2¹⁵ = 316405517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091022 + ... + 1091311.

It is an arithmetic number, because the mean of its divisors is an integer number (49102515).

Almost surely, 2^316438285 is an apocalyptic number.

It is an amenable number.

316438285 is a deficient number, since it is larger than the sum of its proper divisors (76381835).

316438285 is a wasteful number, since it uses less digits than its factorization.

316438285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182367.

The product of its digits is 138240, while the sum is 40.

The square root of 316438285 is about 17788.7122917877. The cubic root of 316438285 is about 681.4432186553.

The spelling of 316438285 in words is "three hundred sixteen million, four hundred thirty-eight thousand, two hundred eighty-five".