316798285 has 4 divisors (see below), whose sum is σ = 380157948. Its totient is φ = 253438624.

The previous prime is 316798277. The next prime is 316798289. The reversal of 316798285 is 582897613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239692324 + 77105961 = 15482^2 + 8781^2 .

It is a cyclic number.

It is not a de Polignac number, because 316798285 - 2³ = 316798277 is a prime.

It is a super-4 number, since 4×316798285⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316798289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31679824 + ... + 31679833.

It is an arithmetic number, because the mean of its divisors is an integer number (95039487).

Almost surely, 2^316798285 is an apocalyptic number.

It is an amenable number.

316798285 is a deficient number, since it is larger than the sum of its proper divisors (63359663).

316798285 is an equidigital number, since it uses as much as digits as its factorization.

316798285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63359662.

The product of its digits is 725760, while the sum is 49.

The square root of 316798285 is about 17798.8281917659. The cubic root of 316798285 is about 681.7015382063.

The spelling of 316798285 in words is "three hundred sixteen million, seven hundred ninety-eight thousand, two hundred eighty-five".