1001344 has 16 divisors (see below), whose sum is σ = 1995120. Its totient is φ = 500608.

The previous prime is 1001327. The next prime is 1001347. The reversal of 1001344 is 4431001.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3784 + ... + 4039.

It is an arithmetic number, because the mean of its divisors is an integer number (124695).

2^1001344 is an apocalyptic number.

It is an amenable number.

1001344 is a deficient number, since it is larger than the sum of its proper divisors (993776).

1001344 is an frugal number, since it uses more digits than its factorization.

1001344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1001344 is about 1000.6717743596. The cubic root of 1001344 is about 100.0447799446.

Adding to 1001344 its reverse (4431001), we get a palindrome (5432345).

It can be divided in two parts, 100 and 1344, that added together give a square (1444 = 38²).

The spelling of 1001344 in words is "one million, one thousand, three hundred forty-four".