1088689 has 16 divisors (see below), whose sum is σ = 1336320. Its totient is φ = 866880.

The previous prime is 1088687. The next prime is 1088693. The reversal of 1088689 is 9868801.

It is a happy number.

It is not a de Polignac number, because 1088689 - 2¹ = 1088687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1088687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6207 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (83520).

2^1088689 is an apocalyptic number.

It is an amenable number.

1088689 is a deficient number, since it is larger than the sum of its proper divisors (247631).

1088689 is a wasteful number, since it uses less digits than its factorization.

1088689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1088689 is about 1043.4026068589. The cubic root of 1088689 is about 102.8729699888.

The spelling of 1088689 in words is "one million, eighty-eight thousand, six hundred eighty-nine".