2166832 has 10 divisors (see below), whose sum is σ = 4198268. Its totient is φ = 1083408.

The previous prime is 2166821. The next prime is 2166833. The reversal of 2166832 is 2386612.

It is a self number, because there is not a number n which added to its sum of digits gives 2166832.

It is not an unprimeable number, because it can be changed into a prime (2166833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67698 + ... + 67729.

2^2166832 is an apocalyptic number.

It is an amenable number.

2166832 is a deficient number, since it is larger than the sum of its proper divisors (2031436).

2166832 is a wasteful number, since it uses less digits than its factorization.

2166832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135435 (or 135429 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2166832 is about 1472.0163042575. The cubic root of 2166832 is about 129.4022259053.

The spelling of 2166832 in words is "two million, one hundred sixty-six thousand, eight hundred thirty-two".