2129888 has 24 divisors (see below), whose sum is σ = 4241160. Its totient is φ = 1052800.

The previous prime is 2129887. The next prime is 2129891. The reversal of 2129888 is 8889212.

2129888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

2^2129888 is an apocalyptic number.

It is an amenable number.

2129888 is a deficient number, since it is larger than the sum of its proper divisors (2111272).

2129888 is a wasteful number, since it uses less digits than its factorization.

2129888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 762 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 2129888 is about 1459.4135808605. The cubic root of 2129888 is about 128.6625799245.

The spelling of 2129888 in words is "two million, one hundred twenty-nine thousand, eight hundred eighty-eight".