1000444 has 12 divisors (see below), whose sum is σ = 1777384. Its totient is φ = 492624.

The previous prime is 1000429. The next prime is 1000453. The reversal of 1000444 is 4440001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1599 + ... + 2134.

2^1000444 is an apocalyptic number.

It is an amenable number.

1000444 is a deficient number, since it is larger than the sum of its proper divisors (776940).

1000444 is a wasteful number, since it uses less digits than its factorization.

1000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804 (or 3802 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1000444 is about 1000.2219753635. The cubic root of 1000444 is about 100.0147978101.

Adding to 1000444 its reverse (4440001), we get a palindrome (5440445).

It can be divided in two parts, 1000 and 444, that added together give a square (1444 = 38²).

The spelling of 1000444 in words is "one million, four hundred forty-four", and thus it is an aban number.