983612868 has 72 divisors (see below), whose sum is σ = 2678139072. Its totient is φ = 280974624.

The previous prime is 983612867. The next prime is 983612869. The reversal of 983612868 is 868216389.

983612868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (983612867) and next prime (983612869).

It is a self number, because there is not a number n which added to its sum of digits gives 983612868.

It is not an unprimeable number, because it can be changed into a prime (983612867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199246 + ... + 204122.

It is an arithmetic number, because the mean of its divisors is an integer number (37196376).

Almost surely, 2^983612868 is an apocalyptic number.

983612868 is a gapful number since it is divisible by the number (98) 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 983612868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1339069536).

983612868 is an abundant number, since it is smaller than the sum of its proper divisors (1694526204).

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

983612868 is an equidigital number, since it uses as much as digits as its factorization.

983612868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919 (or 4889 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 983612868 is about 31362.6030169691. The cubic root of 983612868 is about 994.5075104567.

The spelling of 983612868 in words is "nine hundred eighty-three million, six hundred twelve thousand, eight hundred sixty-eight".