1089683686 has 16 divisors (see below), whose sum is σ = 2011724064. Its totient is φ = 431083584.

The previous prime is 1089683681. The next prime is 1089683711. The reversal of 1089683686 is 6863869801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089683681) 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 7 ways as a sum of consecutive naturals, for example, 2993455 + ... + 2993818.

It is an arithmetic number, because the mean of its divisors is an integer number (125732754).

Almost surely, 2^1089683686 is an apocalyptic number.

1089683686 is a deficient number, since it is larger than the sum of its proper divisors (922040378).

1089683686 is a wasteful number, since it uses less digits than its factorization.

1089683686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987295.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 1089683686 is about 33010.3572534440. The cubic root of 1089683686 is about 1029.0429058178.

The spelling of 1089683686 in words is "one billion, eighty-nine million, six hundred eighty-three thousand, six hundred eighty-six".