4389828 has 24 divisors (see below), whose sum is σ = 10520832. Its totient is φ = 1423584.

The previous prime is 4389823. The next prime is 4389839. The reversal of 4389828 is 8289834.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4389828.

It is not an unprimeable number, because it can be changed into a prime (4389821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4500 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (438368).

Almost surely, 2^4389828 is an apocalyptic number.

It is an amenable number.

4389828 is an abundant number, since it is smaller than the sum of its proper divisors (6131004).

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

4389828 is a wasteful number, since it uses less digits than its factorization.

4389828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931 (or 9929 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 4389828 is about 2095.1916380131. The cubic root of 4389828 is about 163.7378818995.

The spelling of 4389828 in words is "four million, three hundred eighty-nine thousand, eight hundred twenty-eight".