8289385 has 8 divisors (see below), whose sum is σ = 10712520. Its totient is φ = 6121344.

The previous prime is 8289383. The next prime is 8289401. The reversal of 8289385 is 5839828.

8289385 is digitally balanced in base 3, 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 69696 + 8219689 = 264^2 + 2867^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8289385 - 2¹ = 8289383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8289383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63700 + ... + 63829.

It is an arithmetic number, because the mean of its divisors is an integer number (1339065).

Almost surely, 2^8289385 is an apocalyptic number.

It is an amenable number.

8289385 is a deficient number, since it is larger than the sum of its proper divisors (2423135).

8289385 is a wasteful number, since it uses less digits than its factorization.

8289385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127547.

The product of its digits is 138240, while the sum is 43.

The square root of 8289385 is about 2879.1292086324. The cubic root of 8289385 is about 202.3830346224.

The spelling of 8289385 in words is "eight million, two hundred eighty-nine thousand, three hundred eighty-five".