1089026886 has 16 divisors (see below), whose sum is σ = 2184228144. Its totient is φ = 361979904.

The previous prime is 1089026867. The next prime is 1089026893. The reversal of 1089026886 is 6886209801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254971 + ... + 259206.

It is an arithmetic number, because the mean of its divisors is an integer number (136514259).

Almost surely, 2^1089026886 is an apocalyptic number.

1089026886 is an abundant number, since it is smaller than the sum of its proper divisors (1095201258).

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

1089026886 is a wasteful number, since it uses less digits than its factorization.

1089026886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514535.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1089026886 is about 33000.4073611221. The cubic root of 1089026886 is about 1028.8361145480.

The spelling of 1089026886 in words is "one billion, eighty-nine million, twenty-six thousand, eight hundred eighty-six".