9998412 has 12 divisors (see below), whose sum is σ = 23329656. Its totient is φ = 3332800.

The previous prime is 9998393. The next prime is 9998413. The reversal of 9998412 is 2148999.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (9998413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416589 + ... + 416612.

It is an arithmetic number, because the mean of its divisors is an integer number (1944138).

Almost surely, 2^9998412 is an apocalyptic number.

It is an amenable number.

9998412 is an abundant number, since it is smaller than the sum of its proper divisors (13331244).

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

9998412 is a wasteful number, since it uses less digits than its factorization.

9998412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833208 (or 833206 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 9998412 is about 3162.0265653533. The cubic root of 9998412 is about 215.4320642585.

The spelling of 9998412 in words is "nine million, nine hundred ninety-eight thousand, four hundred twelve".