998343612 has 108 divisors (see below), whose sum is σ = 3015354160. Its totient is φ = 272802816.

The previous prime is 998343611. The next prime is 998343659. The reversal of 998343612 is 216343899.

It is a happy number.

998343612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) 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 (998343611) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 129564 + ... + 137052.

Almost surely, 2^998343612 is an apocalyptic number.

998343612 is a gapful number since it is divisible by the number (92) 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 998343612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507677080).

998343612 is an abundant number, since it is smaller than the sum of its proper divisors (2017010548).

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

998343612 is a wasteful number, since it uses less digits than its factorization.

998343612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7524 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 998343612 is about 31596.5759537327. The cubic root of 998343612 is about 999.4475655390.

The spelling of 998343612 in words is "nine hundred ninety-eight million, three hundred forty-three thousand, six hundred twelve".