1089168 has 20 divisors (see below), whose sum is σ = 2813808. Its totient is φ = 363040.

The previous prime is 1089161. The next prime is 1089191. The reversal of 1089168 is 8619801.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1089161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11298 + ... + 11393.

2^1089168 is an apocalyptic number.

It is an amenable number.

1089168 is an abundant number, since it is smaller than the sum of its proper divisors (1724640).

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

1089168 is a wasteful number, since it uses less digits than its factorization.

1089168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22702 (or 22696 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1089168 is about 1043.6321190918. The cubic root of 1089168 is about 102.8880550827. Note that the first 3 decimals are identical.

The spelling of 1089168 in words is "one million, eighty-nine thousand, one hundred sixty-eight".