4428026 has 12 divisors (see below), whose sum is σ = 7011162. Its totient is φ = 2097144.

The previous prime is 4428023. The next prime is 4428031. The reversal of 4428026 is 6208244.

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 1819801 = 1615^2 + 1349^2 .

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4427986 and 4428004.

It is not an unprimeable number, because it can be changed into a prime (4428023) 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 5 ways as a sum of consecutive naturals, for example, 2345 + ... + 3788.

Almost surely, 2^4428026 is an apocalyptic number.

4428026 is a deficient number, since it is larger than the sum of its proper divisors (2583136).

4428026 is a wasteful number, since it uses less digits than its factorization.

4428026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173 (or 6154 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 4428026 is about 2104.2875278821. The cubic root of 4428026 is about 164.2114316442.

The spelling of 4428026 in words is "four million, four hundred twenty-eight thousand, twenty-six".