9702985 has 4 divisors (see below), whose sum is σ = 11643588. Its totient is φ = 7762384.

The previous prime is 9702983. The next prime is 9703013. The reversal of 9702985 is 5892079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5892079 = 317 ⋅18587.

It can be written as a sum of positive squares in 2 ways, for example, as 5442889 + 4260096 = 2333^2 + 2064^2 .

It is a cyclic number.

It is not a de Polignac number, because 9702985 - 2¹ = 9702983 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9702983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970294 + ... + 970303.

It is an arithmetic number, because the mean of its divisors is an integer number (2910897).

Almost surely, 2^9702985 is an apocalyptic number.

It is an amenable number.

9702985 is a deficient number, since it is larger than the sum of its proper divisors (1940603).

9702985 is a wasteful number, since it uses less digits than its factorization.

9702985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940602.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 9702985 is about 3114.9614764873. The cubic root of 9702985 is about 213.2889976768.

The spelling of 9702985 in words is "nine million, seven hundred two thousand, nine hundred eighty-five".