4028332 has 72 divisors (see below), whose sum is σ = 9384480. Its totient is φ = 1478400.

The previous prime is 4028309. The next prime is 4028333. The reversal of 4028332 is 2338204.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4028333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98232 + ... + 98272.

It is an arithmetic number, because the mean of its divisors is an integer number (130340).

Almost surely, 2^4028332 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 4028332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4692240).

4028332 is an abundant number, since it is smaller than the sum of its proper divisors (5356148).

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

4028332 is a wasteful number, since it uses less digits than its factorization.

4028332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4028332 is about 2007.0705020004. The cubic root of 4028332 is about 159.1140091825.

The spelling of 4028332 in words is "four million, twenty-eight thousand, three hundred thirty-two".