9986207 has 16 divisors (see below), whose sum is σ = 12690432. Its totient is φ = 7631520.

The previous prime is 9986183. The next prime is 9986213. The reversal of 9986207 is 7026899.

It is a cyclic number.

It is not a de Polignac number, because 9986207 - 2¹⁶ = 9920671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9986227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2858 + ... + 5304.

It is an arithmetic number, because the mean of its divisors is an integer number (793152).

Almost surely, 2^9986207 is an apocalyptic number.

9986207 is a deficient number, since it is larger than the sum of its proper divisors (2704225).

9986207 is a wasteful number, since it uses less digits than its factorization.

9986207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 9986207 is about 3160.0960428443. The cubic root of 9986207 is about 215.3443697011.

The spelling of 9986207 in words is "nine million, nine hundred eighty-six thousand, two hundred seven".