8545889 has 4 divisors (see below), whose sum is σ = 9322800. Its totient is φ = 7768980.

The previous prime is 8545843. The next prime is 8545907. The reversal of 8545889 is 9885458.

8545889 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8545889 - 2²⁰ = 7497313 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8545829) 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, 388439 + ... + 388460.

It is an arithmetic number, because the mean of its divisors is an integer number (2330700).

Almost surely, 2^8545889 is an apocalyptic number.

It is an amenable number.

8545889 is a deficient number, since it is larger than the sum of its proper divisors (776911).

8545889 is a wasteful number, since it uses less digits than its factorization.

8545889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776910.

The product of its digits is 460800, while the sum is 47.

The square root of 8545889 is about 2923.3352527550. The cubic root of 8545889 is about 204.4493570833.

It can be divided in two parts, 854 and 5889, that multiplied together give a triangular number (5029206 = T₃₁₇₁).

The spelling of 8545889 in words is "eight million, five hundred forty-five thousand, eight hundred eighty-nine".