10855689 has 16 divisors (see below), whose sum is σ = 16011072. Its totient is φ = 6499008.

The previous prime is 10855681. The next prime is 10855699. The reversal of 10855689 is 98655801.

It is not a de Polignac number, because 10855689 - 2³ = 10855681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10855689.

It is not an unprimeable number, because it can be changed into a prime (10855681) 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, 2319 + ... + 5204.

It is an arithmetic number, because the mean of its divisors is an integer number (1000692).

Almost surely, 2^10855689 is an apocalyptic number.

It is an amenable number.

10855689 is a deficient number, since it is larger than the sum of its proper divisors (5155383).

10855689 is a wasteful number, since it uses less digits than its factorization.

10855689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 10855689 is about 3294.7972623517. The cubic root of 10855689 is about 221.4211647490.

The spelling of 10855689 in words is "ten million, eight hundred fifty-five thousand, six hundred eighty-nine".