1006944 has 48 divisors (see below), whose sum is σ = 2803248. Its totient is φ = 315392.

The previous prime is 1006937. The next prime is 1006949. The reversal of 1006944 is 4496001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1324 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (58401).

2^1006944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1006944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401624).

1006944 is an abundant number, since it is smaller than the sum of its proper divisors (1796304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1006944 is a wasteful number, since it uses less digits than its factorization.

1006944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1006944 is about 1003.4659934447. The cubic root of 1006944 is about 100.2309329558.

The spelling of 1006944 in words is "one million, six thousand, nine hundred forty-four".