1089441 has 24 divisors (see below), whose sum is σ = 1734720. Its totient is φ = 655776.

The previous prime is 1089427. The next prime is 1089457. The reversal of 1089441 is 1449801.

It is not a de Polignac number, because 1089441 - 2⁷ = 1089313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3795 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (72280).

2^1089441 is an apocalyptic number.

It is an amenable number.

1089441 is a deficient number, since it is larger than the sum of its proper divisors (645279).

1089441 is a wasteful number, since it uses less digits than its factorization.

1089441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1089441 is about 1043.7629041118. The cubic root of 1089441 is about 102.8966506629.

It can be divided in two parts, 1089 and 441, that multiplied together give a square (480249 = 693²).

The spelling of 1089441 in words is "one million, eighty-nine thousand, four hundred forty-one".