8345889 has 8 divisors (see below), whose sum is σ = 12364320. Its totient is φ = 5563908.

The previous prime is 8345839. The next prime is 8345891. The reversal of 8345889 is 9885438.

It is not a de Polignac number, because 8345889 - 2⁷ = 8345761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8345809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154527 + ... + 154580.

It is an arithmetic number, because the mean of its divisors is an integer number (1545540).

Almost surely, 2^8345889 is an apocalyptic number.

It is an amenable number.

8345889 is a deficient number, since it is larger than the sum of its proper divisors (4018431).

8345889 is a wasteful number, since it uses less digits than its factorization.

8345889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309116 (or 309110 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 8345889 is about 2888.9252326774. The cubic root of 8345889 is about 202.8418368922.

The spelling of 8345889 in words is "eight million, three hundred forty-five thousand, eight hundred eighty-nine".