10806489 has 12 divisors (see below), whose sum is σ = 15808000. Its totient is φ = 7112664.

The previous prime is 10806487. The next prime is 10806503. The reversal of 10806489 is 98460801.

It is a happy number.

10806489 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 648 + 9 = 666.

10806489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10806489 - 2¹ = 10806487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10806487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6889 + ... + 8310.

Almost surely, 2^10806489 is an apocalyptic number.

It is an amenable number.

10806489 is a deficient number, since it is larger than the sum of its proper divisors (5001511).

10806489 is a wasteful number, since it uses less digits than its factorization.

10806489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284 (or 15281 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 10806489 is about 3287.3224666893. The cubic root of 10806489 is about 221.0861508336.

It can be divided in two parts, 1080 and 6489, that added together give a square (7569 = 87²).

The spelling of 10806489 in words is "ten million, eight hundred six thousand, four hundred eighty-nine".