1089602886 has 16 divisors (see below), whose sum is σ = 2229885504. Its totient is φ = 354754344.

The previous prime is 1089602869. The next prime is 1089602887. The reversal of 1089602886 is 6882069801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089602887) by changing a digit.

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, 2111376 + ... + 2111891.

It is an arithmetic number, because the mean of its divisors is an integer number (139367844).

Almost surely, 2^1089602886 is an apocalyptic number.

1089602886 is an abundant number, since it is smaller than the sum of its proper divisors (1140282618).

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

1089602886 is a wasteful number, since it uses less digits than its factorization.

1089602886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223315.

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

The square root of 1089602886 is about 33009.1333724471. The cubic root of 1089602886 is about 1029.0174706929.

The spelling of 1089602886 in words is "one billion, eighty-nine million, six hundred two thousand, eight hundred eighty-six".