10868889 has 4 divisors (see below), whose sum is σ = 14491856. Its totient is φ = 7245924.

The previous prime is 10868867. The next prime is 10868909. The reversal of 10868889 is 98886801.

10868889 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10868889 - 2⁷ = 10868761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10868839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811479 + ... + 1811484.

It is an arithmetic number, because the mean of its divisors is an integer number (3622964).

Almost surely, 2^10868889 is an apocalyptic number.

It is an amenable number.

10868889 is a deficient number, since it is larger than the sum of its proper divisors (3622967).

10868889 is an equidigital number, since it uses as much as digits as its factorization.

10868889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622966.

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 10868889 is about 3296.7998119388. The cubic root of 10868889 is about 221.5108742562.

The spelling of 10868889 in words is "ten million, eight hundred sixty-eight thousand, eight hundred eighty-nine".