8385705 has 24 divisors (see below), whose sum is σ = 14606592. Its totient is φ = 4450464.

The previous prime is 8385701. The next prime is 8385719. The reversal of 8385705 is 5075838.

It is a happy number.

8385705 is a `hidden beast` number, since 83 + 8 + 570 + 5 = 666.

It is not a de Polignac number, because 8385705 - 2² = 8385701 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8385705.

It is not an unprimeable number, because it can be changed into a prime (8385701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13512 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (608608).

Almost surely, 2^8385705 is an apocalyptic number.

It is an amenable number.

8385705 is a deficient number, since it is larger than the sum of its proper divisors (6220887).

8385705 is a wasteful number, since it uses less digits than its factorization.

8385705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 8385705 is about 2895.8081773488. The cubic root of 8385705 is about 203.1638933019.

The spelling of 8385705 in words is "eight million, three hundred eighty-five thousand, seven hundred five".