985834 has 8 divisors (see below), whose sum is σ = 1556640. Its totient is φ = 466956.

The previous prime is 985819. The next prime is 985867. The reversal of 985834 is 438589.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 985793 and 985802.

It is an unprimeable number.

985834 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 12934 + ... + 13009.

It is an arithmetic number, because the mean of its divisors is an integer number (194580).

2⁹⁸⁵⁸³⁴ is an apocalyptic number.

985834 is a deficient number, since it is larger than the sum of its proper divisors (570806).

985834 is a wasteful number, since it uses less digits than its factorization.

985834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25964.

The product of its digits is 34560, while the sum is 37.

The square root of 985834 is about 992.8917362935. The cubic root of 985834 is about 99.5255525562.

The spelling of 985834 in words is "nine hundred eighty-five thousand, eight hundred thirty-four".