1447444 has 12 divisors (see below), whose sum is σ = 2568244. Its totient is φ = 713664.

The previous prime is 1447441. The next prime is 1447471. The reversal of 1447444 is 4447441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 407044 = 1020^2 + 638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2187 + ... + 2770.

2^1447444 is an apocalyptic number.

It is an amenable number.

1447444 is a deficient number, since it is larger than the sum of its proper divisors (1120800).

1447444 is a wasteful number, since it uses less digits than its factorization.

1447444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034 (or 5032 counting only the distinct ones).

The product of its digits is 7168, while the sum is 28.

The square root of 1447444 is about 1203.0976685207. The cubic root of 1447444 is about 113.1185744649.

It can be divided in two parts, 1447 and 444, that added together give a triangular number (1891 = T₆₁).

The spelling of 1447444 in words is "one million, four hundred forty-seven thousand, four hundred forty-four".