2129882 has 4 divisors (see below), whose sum is σ = 3194826. Its totient is φ = 1064940.

The previous prime is 2129867. The next prime is 2129887. The reversal of 2129882 is 2889212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1371241 + 758641 = 1171^2 + 871^2 .

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532469 + ... + 532472.

2^2129882 is an apocalyptic number.

2129882 is a deficient number, since it is larger than the sum of its proper divisors (1064944).

2129882 is a wasteful number, since it uses less digits than its factorization.

2129882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064943.

The product of its digits is 4608, while the sum is 32.

The square root of 2129882 is about 1459.4115252389. The cubic root of 2129882 is about 128.6624591081.

The spelling of 2129882 in words is "two million, one hundred twenty-nine thousand, eight hundred eighty-two".