2143232 has 88 divisors (see below), whose sum is σ = 5502336. Its totient is φ = 811008.

The previous prime is 2143231. The next prime is 2143243. The reversal of 2143232 is 2323412.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2143232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143231) 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 in 7 ways as a sum of consecutive naturals, for example, 93173 + ... + 93195.

2^2143232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751168).

2143232 is an abundant number, since it is smaller than the sum of its proper divisors (3359104).

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

2143232 is a wasteful number, since it uses less digits than its factorization.

2143232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 45 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 2143232 is about 1463.9781419133. The cubic root of 2143232 is about 128.9307161556.

Adding to 2143232 its reverse (2323412), we get a palindrome (4466644).

The spelling of 2143232 in words is "two million, one hundred forty-three thousand, two hundred thirty-two".