8505834 has 8 divisors (see below), whose sum is σ = 17011680. Its totient is φ = 2835276.

The previous prime is 8505823. The next prime is 8505841. The reversal of 8505834 is 4385058.

It is a happy number.

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

8505834 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8505795 and 8505804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708814 + ... + 708825.

It is an arithmetic number, because the mean of its divisors is an integer number (2126460).

Almost surely, 2^8505834 is an apocalyptic number.

8505834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505834 is a wasteful number, since it uses less digits than its factorization.

8505834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417644.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 8505834 is about 2916.4762985493. The cubic root of 8505834 is about 204.1294353509.

It can be divided in two parts, 8505 and 834, that added together give a palindrome (9339).

The spelling of 8505834 in words is "eight million, five hundred five thousand, eight hundred thirty-four".