1998876 has 48 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 573120.

The previous prime is 1998839. The next prime is 1998881. The reversal of 1998876 is 6788991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (111720).

2^1998876 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 1998876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681280).

1998876 is an abundant number, since it is smaller than the sum of its proper divisors (3363684).

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

1998876 is a wasteful number, since it uses less digits than its factorization.

1998876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 832 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 1998876 is about 1413.8161125125. The cubic root of 1998876 is about 125.9684980456.

The spelling of 1998876 in words is "one million, nine hundred ninety-eight thousand, eight hundred seventy-six".