9888312 has 64 divisors (see below), whose sum is σ = 28684800. Its totient is φ = 2782080.

The previous prime is 9888311. The next prime is 9888313. The reversal of 9888312 is 2138889.

It is an interprime number because it is at equal distance from previous prime (9888311) and next prime (9888313).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11514 + ... + 12342.

It is an arithmetic number, because the mean of its divisors is an integer number (448200).

Almost surely, 2^9888312 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 9888312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14342400).

9888312 is an abundant number, since it is smaller than the sum of its proper divisors (18796488).

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

9888312 is a wasteful number, since it uses less digits than its factorization.

9888312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 912 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 9888312 is about 3144.5686508645. The cubic root of 9888312 is about 214.6383825669.

It can be divided in two parts, 98 and 88312, that added together give a triangular number (88410 = T₄₂₀).

The spelling of 9888312 in words is "nine million, eight hundred eighty-eight thousand, three hundred twelve".