10989845 has 8 divisors (see below), whose sum is σ = 13509720. Its totient is φ = 8577280.

The previous prime is 10989817. The next prime is 10989857. The reversal of 10989845 is 54898901.

10989845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 966289 + 10023556 = 983^2 + 3166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10989845 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10989796 and 10989805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26600 + ... + 27009.

It is an arithmetic number, because the mean of its divisors is an integer number (1688715).

Almost surely, 2^10989845 is an apocalyptic number.

It is an amenable number.

10989845 is a deficient number, since it is larger than the sum of its proper divisors (2519875).

10989845 is an equidigital number, since it uses as much as digits as its factorization.

10989845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53655.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 10989845 is about 3315.0935130099. The cubic root of 10989845 is about 222.3295500531.

The spelling of 10989845 in words is "ten million, nine hundred eighty-nine thousand, eight hundred forty-five".