10889143 has 4 divisors (see below), whose sum is σ = 11362608. Its totient is φ = 10415680.

The previous prime is 10889119. The next prime is 10889173. The reversal of 10889143 is 34198801.

It is a happy number.

10889143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10889143 - 2⁵ = 10889111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10889099 and 10889108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10889173) 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, 236698 + ... + 236743.

It is an arithmetic number, because the mean of its divisors is an integer number (2840652).

Almost surely, 2^10889143 is an apocalyptic number.

10889143 is a deficient number, since it is larger than the sum of its proper divisors (473465).

10889143 is an equidigital number, since it uses as much as digits as its factorization.

10889143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473464.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 10889143 is about 3299.8701489604. The cubic root of 10889143 is about 221.6483828614.

The spelling of 10889143 in words is "ten million, eight hundred eighty-nine thousand, one hundred forty-three".