316288 has 32 divisors (see below), whose sum is σ = 722160. Its totient is φ = 135168.

The previous prime is 316271. The next prime is 316291. The reversal of 316288 is 882613.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

316288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720 + ... + 1072.

2³¹⁶²⁸⁸ 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 316288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361080).

316288 is an abundant number, since it is smaller than the sum of its proper divisors (405872).

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

316288 is an equidigital number, since it uses as much as digits as its factorization.

316288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 316288 is about 562.3948790663. The cubic root of 316288 is about 68.1335323039.

The spelling of 316288 in words is "three hundred sixteen thousand, two hundred eighty-eight".