1988896 has 48 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 785664.

The previous prime is 1988891. The next prime is 1988897. The reversal of 1988896 is 6988891.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1988891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

2^1988896 is an apocalyptic number.

1988896 is a gapful number since it is divisible by the number (16) 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 1988896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413152).

1988896 is an abundant number, since it is smaller than the sum of its proper divisors (2837408).

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

1988896 is a wasteful number, since it uses less digits than its factorization.

1988896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 705 counting only the distinct ones).

The product of its digits is 248832, while the sum is 49.

The square root of 1988896 is about 1410.2822412553. The cubic root of 1988896 is about 125.7585027458.

The spelling of 1988896 in words is "one million, nine hundred eighty-eight thousand, eight hundred ninety-six".