2133870 has 16 divisors (see below), whose sum is σ = 5121360. Its totient is φ = 569024.

The previous prime is 2133839. The next prime is 2133899. The reversal of 2133870 is 783312.

2133870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2133870.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35535 + ... + 35594.

It is an arithmetic number, because the mean of its divisors is an integer number (320085).

2^2133870 is an apocalyptic number.

2133870 is an abundant number, since it is smaller than the sum of its proper divisors (2987490).

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

2133870 is a wasteful number, since it uses less digits than its factorization.

2133870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71139.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2133870 is about 1460.7771904024. Note that the first 3 decimals coincide. The cubic root of 2133870 is about 128.7427117501.

It can be divided in two parts, 2133 and 870, that added together give a palindrome (3003).

The spelling of 2133870 in words is "two million, one hundred thirty-three thousand, eight hundred seventy".