316289428 has 144 divisors (see below), whose sum is σ = 752734080. Its totient is φ = 113073408.

The previous prime is 316289423. The next prime is 316289507. The reversal of 316289428 is 824982613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316289423) 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 47 ways as a sum of consecutive naturals, for example, 3810675 + ... + 3810757.

It is an arithmetic number, because the mean of its divisors is an integer number (5227320).

Almost surely, 2^316289428 is an apocalyptic number.

316289428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316289428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376367040).

316289428 is an abundant number, since it is smaller than the sum of its proper divisors (436444652).

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

316289428 is a wasteful number, since it uses less digits than its factorization.

316289428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 153 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 316289428 is about 17784.5277699465. The cubic root of 316289428 is about 681.3363484186.

The spelling of 316289428 in words is "three hundred sixteen million, two hundred eighty-nine thousand, four hundred twenty-eight".