9876985 has 8 divisors (see below), whose sum is σ = 11926080. Its totient is φ = 7852464.

The previous prime is 9876961. The next prime is 9877001. The reversal of 9876985 is 5896789.

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

It is a cyclic number.

It is not a de Polignac number, because 9876985 - 2⁷ = 9876857 is a prime.

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

9876985 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5245 + ... + 6874.

It is an arithmetic number, because the mean of its divisors is an integer number (1490760).

Almost surely, 2^9876985 is an apocalyptic number.

It is an amenable number.

9876985 is a deficient number, since it is larger than the sum of its proper divisors (2049095).

9876985 is a wasteful number, since it uses less digits than its factorization.

9876985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12287.

The product of its digits is 1088640, while the sum is 52.

The square root of 9876985 is about 3142.7670928658. The cubic root of 9876985 is about 214.5563956089.

The spelling of 9876985 in words is "nine million, eight hundred seventy-six thousand, nine hundred eighty-five".