998912 has 20 divisors (see below), whose sum is σ = 1996896. Its totient is φ = 499200.

The previous prime is 998909. The next prime is 998917. The reversal of 998912 is 219899.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464 + ... + 1487.

2⁹⁹⁸⁹¹² is an apocalyptic number.

It is an amenable number.

998912 is a deficient number, since it is larger than the sum of its proper divisors (997984).

998912 is an equidigital number, since it uses as much as digits as its factorization.

998912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1953 counting only the distinct ones).

The product of its digits is 11664, while the sum is 38.

The square root of 998912 is about 999.4558519515. The cubic root of 998912 is about 99.9637201727.

It can be divided in two parts, 9989 and 12, that added together give a palindrome (10001).

The spelling of 998912 in words is "nine hundred ninety-eight thousand, nine hundred twelve".