1089244 has 12 divisors (see below), whose sum is σ = 2052904. Its totient is φ = 502704.

The previous prime is 1089239. The next prime is 1089259. The reversal of 1089244 is 4429801.

1089244 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10422 + ... + 10525.

2^1089244 is an apocalyptic number.

It is an amenable number.

1089244 is a deficient number, since it is larger than the sum of its proper divisors (963660).

1089244 is a wasteful number, since it uses less digits than its factorization.

1089244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964 (or 20962 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1089244 is about 1043.6685297545. The cubic root of 1089244 is about 102.8904481358.

The spelling of 1089244 in words is "one million, eighty-nine thousand, two hundred forty-four".