1089366 has 16 divisors (see below), whose sum is σ = 2225664. Its totient is φ = 355304.

The previous prime is 1089359. The next prime is 1089383. The reversal of 1089366 is 6639801.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 1650 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2^1089366 is an apocalyptic number.

1089366 is an abundant number, since it is smaller than the sum of its proper divisors (1136298).

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

1089366 is a wasteful number, since it uses less digits than its factorization.

1089366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1089366 is about 1043.7269757940. The cubic root of 1089366 is about 102.8942893829.

The spelling of 1089366 in words is "one million, eighty-nine thousand, three hundred sixty-six".