1001444 has 6 divisors (see below), whose sum is σ = 1752534. Its totient is φ = 500720.

The previous prime is 1001431. The next prime is 1001447. The reversal of 1001444 is 4441001.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 1444 = 1000^2 + 38^2 .

It is not an unprimeable number, because it can be changed into a prime (1001447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125177 + ... + 125184.

It is an arithmetic number, because the mean of its divisors is an integer number (292089).

2^1001444 is an apocalyptic number.

It is an amenable number.

1001444 is a deficient number, since it is larger than the sum of its proper divisors (751090).

1001444 is a wasteful number, since it uses less digits than its factorization.

1001444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250365 (or 250363 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1001444 is about 1000.7217395460. The cubic root of 1001444 is about 100.0481101837.

Adding to 1001444 its reverse (4441001), we get a palindrome (5442445).

It can be divided in two parts, 1001 and 444, that multiplied together give a palindrome (444444).

The spelling of 1001444 in words is "one million, one thousand, four hundred forty-four".