1089044 has 24 divisors (see below), whose sum is σ = 2122848. Its totient is φ = 484640.

The previous prime is 1089029. The next prime is 1089047. The reversal of 1089044 is 4409801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

2^1089044 is an apocalyptic number.

It is an amenable number.

1089044 is a deficient number, since it is larger than the sum of its proper divisors (1033804).

1089044 is a wasteful number, since it uses less digits than its factorization.

1089044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1089044 is about 1043.5727094937. The cubic root of 1089044 is about 102.8841503888.

The spelling of 1089044 in words is "one million, eighty-nine thousand, forty-four".