4428776 has 32 divisors (see below), whose sum is σ = 9223200. Its totient is φ = 1976640.

The previous prime is 4428773. The next prime is 4428817. The reversal of 4428776 is 6778244.

It is a super-2 number, since 2×4428776² = 39228113716352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4428773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4766 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (288225).

Almost surely, 2^4428776 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 4428776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4611600).

4428776 is an abundant number, since it is smaller than the sum of its proper divisors (4794424).

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

4428776 is a wasteful number, since it uses less digits than its factorization.

4428776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 925 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 4428776 is about 2104.4657279224. The cubic root of 4428776 is about 164.2207022628.

The spelling of 4428776 in words is "four million, four hundred twenty-eight thousand, seven hundred seventy-six".