4401028 has 24 divisors (see below), whose sum is σ = 8296344. Its totient is φ = 2035200.

The previous prime is 4400993. The next prime is 4401043. The reversal of 4401028 is 8201044.

It can be written as a sum of positive squares in 4 ways, for example, as 432964 + 3968064 = 658^2 + 1992^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4400996 and 4401014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618 + ... + 4678.

It is an arithmetic number, because the mean of its divisors is an integer number (345681).

Almost surely, 2^4401028 is an apocalyptic number.

It is an amenable number.

4401028 is a deficient number, since it is larger than the sum of its proper divisors (3895316).

4401028 is a wasteful number, since it uses less digits than its factorization.

4401028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4401028 is about 2097.8627219149. The cubic root of 4401028 is about 163.8770146759.

The spelling of 4401028 in words is "four million, four hundred one thousand, twenty-eight".