1089308608 has 28 divisors (see below), whose sum is σ = 2275367560. Its totient is φ = 515987712.

The previous prime is 1089308603. The next prime is 1089308611. The reversal of 1089308608 is 8068039801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089308603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446691 + ... + 449122.

Almost surely, 2^1089308608 is an apocalyptic number.

It is an amenable number.

1089308608 is an abundant number, since it is smaller than the sum of its proper divisors (1186058952).

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

1089308608 is an equidigital number, since it uses as much as digits as its factorization.

1089308608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895844 (or 895834 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1089308608 is about 33004.6755475645. The cubic root of 1089308608 is about 1028.9248239520.

The spelling of 1089308608 in words is "one billion, eighty-nine million, three hundred eight thousand, six hundred eight".