9667985 has 16 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 7204608.

The previous prime is 9667963. The next prime is 9667993. The reversal of 9667985 is 5897669.

9667985 = 246² + 247² + ... + 352².

It is a cyclic number.

It is not a de Polignac number, because 9667985 - 2⁶ = 9667921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8564 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (775656).

Almost surely, 2^9667985 is an apocalyptic number.

It is an amenable number.

9667985 is a deficient number, since it is larger than the sum of its proper divisors (2742511).

9667985 is a wasteful number, since it uses less digits than its factorization.

9667985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192.

The product of its digits is 816480, while the sum is 50.

The square root of 9667985 is about 3109.3383540554. The cubic root of 9667985 is about 213.0322344626.

The spelling of 9667985 in words is "nine million, six hundred sixty-seven thousand, nine hundred eighty-five".