8385646 has 8 divisors (see below), whose sum is σ = 12846240. Its totient is φ = 4103568.

The previous prime is 8385589. The next prime is 8385649. The reversal of 8385646 is 6465838.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8385599 and 8385608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8385649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44511 + ... + 44698.

It is an arithmetic number, because the mean of its divisors is an integer number (1605780).

Almost surely, 2^8385646 is an apocalyptic number.

8385646 is a deficient number, since it is larger than the sum of its proper divisors (4460594).

8385646 is a wasteful number, since it uses less digits than its factorization.

8385646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89258.

The product of its digits is 138240, while the sum is 40.

The square root of 8385646 is about 2895.7979901920. The cubic root of 8385646 is about 203.1634168285.

The spelling of 8385646 in words is "eight million, three hundred eighty-five thousand, six hundred forty-six".