4044428 has 6 divisors (see below), whose sum is σ = 7077756. Its totient is φ = 2022212.

The previous prime is 4044421. The next prime is 4044431. The reversal of 4044428 is 8244404.

It is a junction number, because it is equal to n+sod(n) for n = 4044397 and 4044406.

It is not an unprimeable number, because it can be changed into a prime (4044421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550 + ... + 505557.

It is an arithmetic number, because the mean of its divisors is an integer number (1179626).

Almost surely, 2^4044428 is an apocalyptic number.

It is an amenable number.

4044428 is a deficient number, since it is larger than the sum of its proper divisors (3033328).

4044428 is a wasteful number, since it uses less digits than its factorization.

4044428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011111 (or 1011109 counting only the distinct ones).

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

The square root of 4044428 is about 2011.0763287354. The cubic root of 4044428 is about 159.3256514137.

The spelling of 4044428 in words is "four million, forty-four thousand, four hundred twenty-eight".