9834985 has 8 divisors (see below), whose sum is σ = 12053376. Its totient is φ = 7700400.

The previous prime is 9834983. The next prime is 9835009. The reversal of 9834985 is 5894389.

9834985 = 76² + 77² + ... + 310².

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

It is not a de Polignac number, because 9834985 - 2¹ = 9834983 is a prime.

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

It is a Duffinian number.

9834985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9834983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20691 + ... + 21160.

It is an arithmetic number, because the mean of its divisors is an integer number (1506672).

Almost surely, 2^9834985 is an apocalyptic number.

It is an amenable number.

9834985 is a deficient number, since it is larger than the sum of its proper divisors (2218391).

9834985 is a wasteful number, since it uses less digits than its factorization.

9834985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41903.

The product of its digits is 311040, while the sum is 46.

The square root of 9834985 is about 3136.0779645921. The cubic root of 9834985 is about 214.2518434296.

It can be divided in two parts, 983498 and 5, that added together give a triangular number (983503 = T₁₄₀₂).

The spelling of 9834985 in words is "nine million, eight hundred thirty-four thousand, nine hundred eighty-five".