9764985 has 32 divisors (see below), whose sum is σ = 16236288. Its totient is φ = 5008640.

The previous prime is 9764981. The next prime is 9765001. The reversal of 9764985 is 5894679.

It is not a de Polignac number, because 9764985 - 2² = 9764981 is a prime.

It is a Curzon number.

9764985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9764981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56359 + ... + 56531.

It is an arithmetic number, because the mean of its divisors is an integer number (507384).

Almost surely, 2^9764985 is an apocalyptic number.

It is an amenable number.

9764985 is a deficient number, since it is larger than the sum of its proper divisors (6471303).

9764985 is a wasteful number, since it uses less digits than its factorization.

9764985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its digits is 544320, while the sum is 48.

The square root of 9764985 is about 3124.8975983222. The cubic root of 9764985 is about 213.7423238583.

It can be divided in two parts, 976498 and 5, that added together give a triangular number (976503 = T₁₃₉₇).

The spelling of 9764985 in words is "nine million, seven hundred sixty-four thousand, nine hundred eighty-five".