1998248 has 32 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 805632.

The previous prime is 1998233. The next prime is 1998251. The reversal of 1998248 is 8428991.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (141750).

2^1998248 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 1998248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268000).

1998248 is an abundant number, since it is smaller than the sum of its proper divisors (2537752).

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

1998248 is a wasteful number, since it uses less digits than its factorization.

1998248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2125 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 1998248 is about 1413.5940011191. The cubic root of 1998248 is about 125.9553045470.

The spelling of 1998248 in words is "one million, nine hundred ninety-eight thousand, two hundred forty-eight".