4404428 has 48 divisors (see below), whose sum is σ = 9838080. Its totient is φ = 1679616.

The previous prime is 4404427. The next prime is 4404437. The reversal of 4404428 is 8244044.

It is a junction number, because it is equal to n+sod(n) for n = 4404397 and 4404406.

It is not an unprimeable number, because it can be changed into a prime (4404427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8801 + ... + 9287.

It is an arithmetic number, because the mean of its divisors is an integer number (204960).

Almost surely, 2^4404428 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 4404428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4919040).

4404428 is an abundant number, since it is smaller than the sum of its proper divisors (5433652).

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

4404428 is a wasteful number, since it uses less digits than its factorization.

4404428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 4404428 is about 2098.6729140102. The cubic root of 4404428 is about 163.9192046997.

The spelling of 4404428 in words is "four million, four hundred four thousand, four hundred twenty-eight".