2128032 has 60 divisors (see below), whose sum is σ = 6266106. Its totient is φ = 708480.

The previous prime is 2128031. The next prime is 2128039. The reversal of 2128032 is 2308212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 156816 = 1404^2 + 396^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2127996 and 2128014.

It is not an unprimeable number, because it can be changed into a prime (2128031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2182 + ... + 3002.

2^2128032 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 2128032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3133053).

2128032 is an abundant number, since it is smaller than the sum of its proper divisors (4138074).

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

2128032 is an equidigital number, since it uses as much as digits as its factorization.

2128032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2128032 is about 1458.7775704335. Note that the first 3 decimals coincide. The cubic root of 2128032 is about 128.6251965590.

It can be divided in two parts, 21280 and 32, that added together give a palindrome (21312).

The spelling of 2128032 in words is "two million, one hundred twenty-eight thousand, thirty-two".