2129384 has 16 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 1058032.

The previous prime is 2129371. The next prime is 2129389. The reversal of 2129384 is 4839212.

2129384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2129389) 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, 689 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

2^2129384 is an apocalyptic number.

It is an amenable number.

2129384 is a deficient number, since it is larger than the sum of its proper divisors (1888216).

2129384 is a wasteful number, since it uses less digits than its factorization.

2129384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 1668 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2129384 is about 1459.2408985497. The cubic root of 2129384 is about 128.6524305558.

The spelling of 2129384 in words is "two million, one hundred twenty-nine thousand, three hundred eighty-four".