9998312 has 16 divisors (see below), whose sum is σ = 19849860. Its totient is φ = 4705024.

The previous prime is 9998309. The next prime is 9998321. The reversal of 9998312 is 2138999.

9998312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8375236 + 1623076 = 2894^2 + 1274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9998312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36623 + ... + 36894.

Almost surely, 2^9998312 is an apocalyptic number.

It is an amenable number.

9998312 is a deficient number, since it is larger than the sum of its proper divisors (9851548).

9998312 is a wasteful number, since it uses less digits than its factorization.

9998312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73540 (or 73536 counting only the distinct ones).

The product of its digits is 34992, while the sum is 41.

The square root of 9998312 is about 3162.0107526699. The cubic root of 9998312 is about 215.4313460352.

The spelling of 9998312 in words is "nine million, nine hundred ninety-eight thousand, three hundred twelve".