9860986 has 32 divisors (see below), whose sum is σ = 16543440. Its totient is φ = 4386816.

The previous prime is 9860971. The next prime is 9860987. The reversal of 9860986 is 6890689.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7187761 + 2673225 = 2681^2 + 1635^2 .

9860986 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (9860987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71910 + ... + 72046.

Almost surely, 2^9860986 is an apocalyptic number.

9860986 is a deficient number, since it is larger than the sum of its proper divisors (6682454).

9860986 is a wasteful number, since it uses less digits than its factorization.

9860986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 9860986 is about 3140.2206928813. The cubic root of 9860986 is about 214.4404849710.

The spelling of 9860986 in words is "nine million, eight hundred sixty thousand, nine hundred eighty-six".