2019888 has 90 divisors (see below), whose sum is σ = 6194916. Its totient is φ = 614016.

The previous prime is 2019881. The next prime is 2019907. The reversal of 2019888 is 8889102.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2019881) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24295 + ... + 24377.

2^2019888 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 2019888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3097458).

2019888 is an abundant number, since it is smaller than the sum of its proper divisors (4175028).

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

2019888 is a wasteful number, since it uses less digits than its factorization.

2019888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2019888 is about 1421.2276383465. The cubic root of 2019888 is about 126.4083501400.

The spelling of 2019888 in words is "two million, nineteen thousand, eight hundred eighty-eight".