1080444 has 24 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 357424.

The previous prime is 1080439. The next prime is 1080449. The reversal of 1080444 is 4440801.

It is an interprime number because it is at equal distance from previous prime (1080439) and next prime (1080449).

It is a self number, because there is not a number n which added to its sum of digits gives 1080444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080449) 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, 1897 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^1080444 is an apocalyptic number.

It is an amenable number.

1080444 is an abundant number, since it is smaller than the sum of its proper divisors (1459716).

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

1080444 is a wasteful number, since it uses less digits than its factorization.

1080444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1080444 is about 1039.4440821901. Note that the first 3 decimals coincide. The cubic root of 1080444 is about 102.6126146766.

The spelling of 1080444 in words is "one million, eighty thousand, four hundred forty-four".