9664986 has 16 divisors (see below), whose sum is σ = 19741824. Its totient is φ = 3153024.

The previous prime is 9664973. The next prime is 9664997. The reversal of 9664986 is 6894669.

It is a congruent 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, 16855 + ... + 17418.

It is an arithmetic number, because the mean of its divisors is an integer number (1233864).

Almost surely, 2^9664986 is an apocalyptic number.

9664986 is an abundant number, since it is smaller than the sum of its proper divisors (10076838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9664986 is a wasteful number, since it uses less digits than its factorization.

9664986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34325.

The product of its digits is 559872, while the sum is 48.

The square root of 9664986 is about 3108.8560597107. The cubic root of 9664986 is about 213.0102047173.

The spelling of 9664986 in words is "nine million, six hundred sixty-four thousand, nine hundred eighty-six".